CVE-2026-68135

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68135", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.370Z", "datePublished": "2026-08-10T11:58:58.463Z", "dateUpdated": "2026-08-19T16:29:52.114Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:29:52.114Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hip04: fix RX buffer leak on build_skb failure\n\nWhen build_skb() fails in hip04_rx_poll(), the driver jumps to the\nrefill path without releasing the current RX buffer and its DMA mapping.\nInstalling a replacement buffer then overwrites the slot references and\nleaks both resources.\n\nKeep the current slot intact and return budget so NAPI retries the same\nbuffer. Also free a newly allocated RX fragment when dma_map_single()\nfails.\n\nThis issue was found by an in-house static analysis tool."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/hisilicon/hip04_eth.c"], "versions": [{"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "690ecc13a4032e5cae1dc6659512f32b033533b0", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "2b19fe277645fd1aeb18fd4ecdcf31966080dee7", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "bcd43ee1f25b682151df213c06a99b2e1c1cf2e5", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "e054dcd990d8180cde529ea28ce0838e76a5ad5e", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "67a7614bde310da006ab259f4f163d3fb0f9e253", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "80d977f280b4eccd4ac5369871d0ecb2b9c9a49d", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "a0f247d63489a107bbc3b712a77b302af2a2a173", "status": "affected", "versionType": "git"}, {"version": "701a0fd5231866db08cebcd502894699f49cb960", "lessThan": "14fa65d10f5696b063a7d8d26e8291ea84a2c6ed", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/hisilicon/hip04_eth.c"], "versions": [{"version": "4.5", "status": "affected"}, {"version": "0", "lessThan": "4.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "4.5", "versionEndExcluding": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.5", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/690ecc13a4032e5cae1dc6659512f32b033533b0"}, {"url": "https://git.kernel.org/stable/c/2b19fe277645fd1aeb18fd4ecdcf31966080dee7"}, {"url": "https://git.kernel.org/stable/c/bcd43ee1f25b682151df213c06a99b2e1c1cf2e5"}, {"url": "https://git.kernel.org/stable/c/e054dcd990d8180cde529ea28ce0838e76a5ad5e"}, {"url": "https://git.kernel.org/stable/c/67a7614bde310da006ab259f4f163d3fb0f9e253"}, {"url": "https://git.kernel.org/stable/c/80d977f280b4eccd4ac5369871d0ecb2b9c9a49d"}, {"url": "https://git.kernel.org/stable/c/a0f247d63489a107bbc3b712a77b302af2a2a173"}, {"url": "https://git.kernel.org/stable/c/14fa65d10f5696b063a7d8d26e8291ea84a2c6ed"}], "title": "net: hip04: fix RX buffer leak on build_skb failure", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/hisilicon/hip04_eth.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "690ecc13a4032e5cae1dc6659512f32b033533b0", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "2b19fe277645fd1aeb18fd4ecdcf31966080dee7", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "bcd43ee1f25b682151df213c06a99b2e1c1cf2e5", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "e054dcd990d8180cde529ea28ce0838e76a5ad5e", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "67a7614bde310da006ab259f4f163d3fb0f9e253", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "80d977f280b4eccd4ac5369871d0ecb2b9c9a49d", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "a0f247d63489a107bbc3b712a77b302af2a2a173", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}, {"lessThan": "14fa65d10f5696b063a7d8d26e8291ea84a2c6ed", "status": "affected", "version": "701a0fd5231866db08cebcd502894699f49cb960", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/hisilicon/hip04_eth.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.5"}, {"lessThan": "4.5", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.265", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hip04: fix RX buffer leak on build_skb failure\n\nWhen build_skb() fails in hip04_rx_poll(), the driver jumps to the\nrefill path without releasing the current RX buffer and its DMA mapping.\nInstalling a replacement buffer then overwrites the slot references and\nleaks both resources.\n\nKeep the current slot intact and return budget so NAPI retries the same\nbuffer. Also free a newly allocated RX fragment when dma_map_single()\nfails.\n\nThis issue was found by an in-house static analysis tool."}], "id": "CVE-2026-68135", "lastModified": "2026-08-19T17:20:30.757", "metrics": {}, "published": "2026-08-10T13:19:58.990", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/14fa65d10f5696b063a7d8d26e8291ea84a2c6ed"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b19fe277645fd1aeb18fd4ecdcf31966080dee7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/67a7614bde310da006ab259f4f163d3fb0f9e253"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/690ecc13a4032e5cae1dc6659512f32b033533b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/80d977f280b4eccd4ac5369871d0ecb2b9c9a49d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a0f247d63489a107bbc3b712a77b302af2a2a173"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bcd43ee1f25b682151df213c06a99b2e1c1cf2e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e054dcd990d8180cde529ea28ce0838e76a5ad5e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux kernel (hip04): Resource leak in network driver leads to Denial of Service", "id": "2513306", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513306"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: hip04: fix RX buffer leak on build_skb failure\nWhen build_skb() fails in hip04_rx_poll(), the driver jumps to the\nrefill path without releasing the current RX buffer and its DMA mapping.\nInstalling a replacement buffer then overwrites the slot references and\nleaks both resources.\nKeep the current slot intact and return budget so NAPI retries the same\nbuffer. Also free a newly allocated RX fragment when dma_map_single()\nfails.\nThis issue was found by an in-house static analysis tool.", "A flaw was found in the Linux kernel's hip04 network driver. This vulnerability occurs when the build_skb() function fails during the hip04_rx_poll() operation. The driver incorrectly proceeds without releasing the network receive (RX) buffer and its associated Direct Memory Access (DMA) mapping. This leads to a resource leak, which could be exploited by a local attacker to cause a Denial of Service (DoS) by exhausting available memory resources."], "name": "CVE-2026-68135", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not 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"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T11:58:58Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68135\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68135\nhttps://git.kernel.org/stable/c/14fa65d10f5696b063a7d8d26e8291ea84a2c6ed\nhttps://git.kernel.org/stable/c/67a7614bde310da006ab259f4f163d3fb0f9e253\nhttps://git.kernel.org/stable/c/80d977f280b4eccd4ac5369871d0ecb2b9c9a49d\nhttps://git.kernel.org/stable/c/a0f247d63489a107bbc3b712a77b302af2a2a173\nhttps://git.kernel.org/stable/c/e054dcd990d8180cde529ea28ce0838e76a5ad5e"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[701a0fd5231866db08cebcd502894699f49cb960,e054dcd990d8180cde529ea28ce0838e76a5ad5e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[701a0fd5231866db08cebcd502894699f49cb960,67a7614bde310da006ab259f4f163d3fb0f9e253)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[701a0fd5231866db08cebcd502894699f49cb960,80d977f280b4eccd4ac5369871d0ecb2b9c9a49d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[701a0fd5231866db08cebcd502894699f49cb960,a0f247d63489a107bbc3b712a77b302af2a2a173)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[701a0fd5231866db08cebcd502894699f49cb960,14fa65d10f5696b063a7d8d26e8291ea84a2c6ed)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.148,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc5,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T16:00:03.838574+00:00", "updated": "2026-08-13T09:45:03.664016+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}