CVE-2022-50252

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50252", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:58:00.973Z", "datePublished": "2025-09-15T14:02:30.980Z", "dateUpdated": "2026-10-15T21:31:19.421Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T08:57:56.935Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Do not free q_vector unless new one was allocated\n\nAvoid potential use-after-free condition under memory pressure. If the\nkzalloc() fails, q_vector will be freed but left in the original\nadapter->q_vector[v_idx] array position."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached only via local ethtool channel reconfiguration (ETHTOOL_SCHANNELS / ETHTOOL_MSG_CHANNELS_SET \u2192 igb_set_channels \u2192 igb_reinit_queues \u2192 igb_alloc_q_vector), not via received network packets or a remote protocol parser.\nAC:L - The attacker fully controls the ethtool -L call that grows q_vector size across the QUEUE_PAIRS threshold, and a local attacker can induce the required kzalloc() failure through memory exhaustion, so success does not depend on conditions outside their influence.\nPR:L - Triggering requires CAP_NET_ADMIN on the netns that owns the igb netdev (ns_capable / GENL_UNS_ADMIN_PERM), which is available to unprivileged userns/container tenants given an igb interface and is not full init-namespace root.\nUI:N - No separate victim action is required; the attacker issues the privileged ethtool/netlink request themselves.\nS:U - This is a host-kernel heap UAF in the igb PF driver with impact confined to the same kernel privilege domain; it is not a VM/IOMMU/sandbox boundary escape.\nC:H - The failed realloc leaves a dangling adapter->q_vector[] pointer to a freed object (including embedded rings/NAPI state), giving a classic UAF read primitive over reclaimable kernel heap memory.\nI:H - The same UAF/double-free of igb_q_vector (containing napi_struct and related pointers) is heap-sprayable into an arbitrary write / control-flow hijack, enabling code execution in kernel context.\nA:H - Use of the dangling q_vector on retry, teardown, or other driver paths causes kernel oops/panic or double-free, so availability impact is high even without a full exploit."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/igb/igb_main.c"], "versions": [{"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "64ca1969599857143e91aeec4440640656100803", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "0200f0fbb11e359cc35af72ab10b2ec224e6f633", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "68e8adbcaf7a8743e473343b38b9dad66e2ac6f3", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "f96bd8adc8adde25390965a8c1ee81b73cb62075", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "3cb18dea11196fb4a06f78294cec5e61985e1aff", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "314f7092b27749bdde44c14095b5533afa2a3bc8", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "6e399577bd397a517df4b938601108c63769ce0a", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "56483aecf6b22eb7dff6315b3a174688c6ad494c", "status": "affected", "versionType": "git"}, {"version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "0668716506ca66f90d395f36ccdaebc3e0e84801", "status": "affected", "versionType": "git"}, {"version": "5be042b1917ddf444c20f4e12856535307b37c01", "status": "affected", "versionType": "git"}, {"version": "a0e26ed623a1e1460c1a191fbc0f37bddab7851a", "status": "affected", "versionType": "git"}, {"version": "f4b7f93cd34a6153d454a837708fd4203990d1ae", "status": "affected", "versionType": "git"}, {"version": "3.18.23", "lessThan": "3.19", "status": "affected", "versionType": "semver"}, {"version": "4.1.9", "lessThan": "4.2", "status": "affected", "versionType": "semver"}, {"version": "4.2.2", "lessThan": "4.3", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/igb/igb_main.c"], "versions": [{"version": "4.3", "status": "affected"}, {"version": "0", "lessThan": "4.3", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.337", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.303", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.270", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.229", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.163", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.86", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.16", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.2", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.9.337"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.14.303"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "4.19.270"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.4.229"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.10.163"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "5.15.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.1.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.3", "versionEndExcluding": "6.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.18.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803"}, {"url": "https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633"}, {"url": "https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3"}, {"url": "https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075"}, {"url": "https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff"}, {"url": "https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8"}, {"url": "https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a"}, {"url": "https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c"}, {"url": "https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801"}], "title": "igb: Do not free q_vector unless new one was allocated", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-50252", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:30:40.430388Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:31:19.421Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-50252", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:30:40.430388Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:30:41.345Z"}}], "cna": {"title": "igb: Do not free q_vector unless new one was allocated", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - The bug is reached only via local ethtool channel reconfiguration (ETHTOOL_SCHANNELS / ETHTOOL_MSG_CHANNELS_SET \u2192 igb_set_channels \u2192 igb_reinit_queues \u2192 igb_alloc_q_vector), not via received network packets or a remote protocol parser.\nAC:L - The attacker fully controls the ethtool -L call that grows q_vector size across the QUEUE_PAIRS threshold, and a local attacker can induce the required kzalloc() failure through memory exhaustion, so success does not depend on conditions outside their influence.\nPR:L - Triggering requires CAP_NET_ADMIN on the netns that owns the igb netdev (ns_capable / GENL_UNS_ADMIN_PERM), which is available to unprivileged userns/container tenants given an igb interface and is not full init-namespace root.\nUI:N - No separate victim action is required; the attacker issues the privileged ethtool/netlink request themselves.\nS:U - This is a host-kernel heap UAF in the igb PF driver with impact confined to the same kernel privilege domain; it is not a VM/IOMMU/sandbox boundary escape.\nC:H - The failed realloc leaves a dangling adapter->q_vector[] pointer to a freed object (including embedded rings/NAPI state), giving a classic UAF read primitive over reclaimable kernel heap memory.\nI:H - The same UAF/double-free of igb_q_vector (containing napi_struct and related pointers) is heap-sprayable into an arbitrary write / control-flow hijack, enabling code execution in kernel context.\nA:H - Use of the dangling q_vector on retry, teardown, or other driver paths causes kernel oops/panic or double-free, so availability impact is high even without a full exploit."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "64ca1969599857143e91aeec4440640656100803", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "0200f0fbb11e359cc35af72ab10b2ec224e6f633", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "68e8adbcaf7a8743e473343b38b9dad66e2ac6f3", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "f96bd8adc8adde25390965a8c1ee81b73cb62075", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "3cb18dea11196fb4a06f78294cec5e61985e1aff", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "314f7092b27749bdde44c14095b5533afa2a3bc8", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "6e399577bd397a517df4b938601108c63769ce0a", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "56483aecf6b22eb7dff6315b3a174688c6ad494c", "versionType": "git"}, {"status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "lessThan": "0668716506ca66f90d395f36ccdaebc3e0e84801", "versionType": "git"}, {"status": "affected", "version": "5be042b1917ddf444c20f4e12856535307b37c01", "versionType": "git"}, {"status": "affected", "version": "a0e26ed623a1e1460c1a191fbc0f37bddab7851a", "versionType": "git"}, {"status": "affected", "version": "f4b7f93cd34a6153d454a837708fd4203990d1ae", "versionType": "git"}, {"status": "affected", "version": "3.18.23", "lessThan": "3.19", "versionType": "semver"}, {"status": "affected", "version": "4.1.9", "lessThan": "4.2", "versionType": "semver"}, {"status": "affected", "version": "4.2.2", "lessThan": "4.3", "versionType": "semver"}], "programFiles": ["drivers/net/ethernet/intel/igb/igb_main.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.3"}, {"status": "unaffected", "version": "0", "lessThan": "4.3", "versionType": "semver"}, {"status": "unaffected", "version": "4.9.337", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.303", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.270", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.229", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.163", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.86", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.0.16", "versionType": "semver", "lessThanOrEqual": "6.0.*"}, {"status": "unaffected", "version": "6.1.2", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/intel/igb/igb_main.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803"}, {"url": "https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633"}, {"url": "https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3"}, {"url": "https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075"}, {"url": "https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff"}, {"url": "https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8"}, {"url": "https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a"}, {"url": "https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c"}, {"url": "https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Do not free q_vector unless new one was allocated\n\nAvoid potential use-after-free condition under memory pressure. If the\nkzalloc() fails, q_vector will be freed but left in the original\nadapter->q_vector[v_idx] array position."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.337", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.303", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.270", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.229", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.163", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.86", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.16", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.2", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.2", "versionStartIncluding": "4.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.18.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.1.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.2.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T08:57:56.935Z"}}}, "cveMetadata": {"cveId": "CVE-2022-50252", "state": "PUBLISHED", "dateUpdated": "2026-10-15T21:31:19.421Z", "dateReserved": "2025-09-15T13:58:00.973Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-09-15T14:02:30.980Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/igb/igb_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "64ca1969599857143e91aeec4440640656100803", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "0200f0fbb11e359cc35af72ab10b2ec224e6f633", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "68e8adbcaf7a8743e473343b38b9dad66e2ac6f3", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "f96bd8adc8adde25390965a8c1ee81b73cb62075", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "3cb18dea11196fb4a06f78294cec5e61985e1aff", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "314f7092b27749bdde44c14095b5533afa2a3bc8", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "6e399577bd397a517df4b938601108c63769ce0a", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "56483aecf6b22eb7dff6315b3a174688c6ad494c", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"lessThan": "0668716506ca66f90d395f36ccdaebc3e0e84801", "status": "affected", "version": "72ddef0506da852dc82f078f37ced8ef4d74a2bf", "versionType": "git"}, {"status": "affected", "version": "5be042b1917ddf444c20f4e12856535307b37c01", "versionType": "git"}, {"status": "affected", "version": "a0e26ed623a1e1460c1a191fbc0f37bddab7851a", "versionType": "git"}, {"status": "affected", "version": "f4b7f93cd34a6153d454a837708fd4203990d1ae", "versionType": "git"}, {"lessThan": "3.19", "status": "affected", "version": "3.18.23", "versionType": "semver"}, {"lessThan": "4.2", "status": "affected", "version": "4.1.9", "versionType": "semver"}, {"lessThan": "4.3", "status": "affected", "version": "4.2.2", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/intel/igb/igb_main.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.3"}, {"lessThan": "4.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.337", "versionType": "semver"}, {"lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.303", "versionType": "semver"}, {"lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.270", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.229", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.163", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.86", "versionType": "semver"}, {"lessThanOrEqual": "6.0.*", "status": "unaffected", "version": "6.0.16", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9FFBA9B5-26DC-4802-9A86-F7B886954E4A", "versionEndExcluding": "4.9.337", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E7450AD-4739-46F0-B81B-C02E7B35A97B", "versionEndExcluding": "4.14.303", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE8904A3-99BE-4E49-9682-1F90A6373F4F", "versionEndExcluding": "4.19.270", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A0C0D95E-414A-445E-941B-3EF6A4D3A093", "versionEndExcluding": "5.4.229", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D05D31FC-BD74-4F9E-B1D8-9CED62BE6F65", "versionEndExcluding": "5.10.163", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "47237296-55D1-4ED4-8075-D00FC85A61EE", "versionEndExcluding": "5.15.86", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C720A569-3D93-4D77-95F6-E2B3A3267D9F", "versionEndExcluding": "6.0.16", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "77239F4B-6BB2-4B9E-A654-36A52396116C", "versionEndExcluding": "6.1.2", "versionStartIncluding": "6.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigb: Do not free q_vector unless new one was allocated\n\nAvoid potential use-after-free condition under memory pressure. If the\nkzalloc() fails, q_vector will be freed but left in the original\nadapter->q_vector[v_idx] array position."}], "id": "CVE-2022-50252", "lastModified": "2026-10-15T22:17:28.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-50252", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:30:40.430388Z", "version": "2.0.3"}}]}, "published": "2025-09-15T14:15:35.877", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0200f0fbb11e359cc35af72ab10b2ec224e6f633"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0668716506ca66f90d395f36ccdaebc3e0e84801"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/314f7092b27749bdde44c14095b5533afa2a3bc8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3cb18dea11196fb4a06f78294cec5e61985e1aff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/56483aecf6b22eb7dff6315b3a174688c6ad494c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/64ca1969599857143e91aeec4440640656100803"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/68e8adbcaf7a8743e473343b38b9dad66e2ac6f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e399577bd397a517df4b938601108c63769ce0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f96bd8adc8adde25390965a8c1ee81b73cb62075"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: igb: Do not free q_vector unless new one was allocated", "id": "2395344", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395344"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50252", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50252\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50252\nhttps://lore.kernel.org/linux-cve-announce/2025091550-CVE-2022-50252-5c96@gregkh/T"], "threat_severity": "Important"}

{"created": "2025-09-17T10:08:26.883746+00:00", "updated": "2025-09-17T10:08:26.883812+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}