CVE-2026-53258

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Note that it's\nsupposed to be released at ___cfg80211_scan_done() but this doesn't happen\nas rdev->scan_req is NULL at that point, too, leading to the early return\nfrom the freeing function.\n\nunreferenced object 0xffff8881161d0800 (size 512):\n comm \"wpa_supplicant\", pid 379, jiffies 4294749765\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 f0 81 13 16 81 88 ff ff ................\n backtrace (crc c867fdb6):\n kmemleak_alloc+0x89/0x90\n __kmalloc_noprof+0x2fd/0x410\n cfg80211_scan+0x133/0x730\n nl80211_trigger_scan+0xc69/0x1cc0\n genl_family_rcv_msg_doit+0x204/0x2f0\n genl_rcv_msg+0x431/0x6b0\n netlink_rcv_skb+0x143/0x3f0\n genl_rcv+0x27/0x40\n netlink_unicast+0x4f6/0x820\n netlink_sendmsg+0x797/0xce0\n __sock_sendmsg+0xc4/0x160\n ____sys_sendmsg+0x5e4/0x890\n ___sys_sendmsg+0xf8/0x180\n __sys_sendmsg+0x136/0x1e0\n __x64_sys_sendmsg+0x76/0xc0\n x64_sys_call+0x13f0/0x17d0\n\nFound by Linux Verification Center (linuxtesting.org)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/scan.c"], "versions": [{"version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "lessThan": "c3d30daf03130cf35c0e70185719ce16fc3ea6c4", "status": "affected", "versionType": "git"}, {"version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "lessThan": "87484866cae9130b97c2b356eeaea4f47b292f75", "status": "affected", "versionType": "git"}, {"version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "lessThan": "df44397bbd8f3a38115c9590b686787e4aaf6327", "status": "affected", "versionType": "git"}, {"version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "lessThan": "fb8db813eba2e56ee001c9fb5c2ce2cb78c42642", "status": "affected", "versionType": "git"}, {"version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "lessThan": "a24134ddc18b4d440714365637d440b7121447b9", "status": 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"unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.10", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c3d30daf03130cf35c0e70185719ce16fc3ea6c4"}, {"url": "https://git.kernel.org/stable/c/87484866cae9130b97c2b356eeaea4f47b292f75"}, {"url": "https://git.kernel.org/stable/c/df44397bbd8f3a38115c9590b686787e4aaf6327"}, {"url": "https://git.kernel.org/stable/c/fb8db813eba2e56ee001c9fb5c2ce2cb78c42642"}, {"url": "https://git.kernel.org/stable/c/a24134ddc18b4d440714365637d440b7121447b9"}, {"url": "https://git.kernel.org/stable/c/e8694f7cc29287e843648d1075177b9a2000d957"}], "title": "wifi: fix leak if split 6 GHz scanning fails", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53258", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T16:24:25.358613Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-06T16:34:16.303Z"}}]}}

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Note that it's\nsupposed to be released at ___cfg80211_scan_done() but this doesn't happen\nas rdev->scan_req is NULL at that point, too, leading to the early return\nfrom the freeing function.\n\nunreferenced object 0xffff8881161d0800 (size 512):\n comm \"wpa_supplicant\", pid 379, jiffies 4294749765\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 f0 81 13 16 81 88 ff ff ................\n backtrace (crc c867fdb6):\n kmemleak_alloc+0x89/0x90\n __kmalloc_noprof+0x2fd/0x410\n cfg80211_scan+0x133/0x730\n nl80211_trigger_scan+0xc69/0x1cc0\n genl_family_rcv_msg_doit+0x204/0x2f0\n genl_rcv_msg+0x431/0x6b0\n netlink_rcv_skb+0x143/0x3f0\n genl_rcv+0x27/0x40\n netlink_unicast+0x4f6/0x820\n netlink_sendmsg+0x797/0xce0\n __sock_sendmsg+0xc4/0x160\n ____sys_sendmsg+0x5e4/0x890\n ___sys_sendmsg+0xf8/0x180\n __sys_sendmsg+0x136/0x1e0\n __x64_sys_sendmsg+0x76/0xc0\n x64_sys_call+0x13f0/0x17d0\n\nFound by Linux Verification Center (linuxtesting.org)."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.191", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.160", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.114", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.36", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0.13", "versionStartIncluding": "5.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1", "versionStartIncluding": "5.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:26:50.461Z"}}}, "cveMetadata": {"cveId": "CVE-2026-53258", "state": "PUBLISHED", "dateUpdated": "2026-11-06T16:34:16.303Z", "dateReserved": "2026-06-09T07:44:35.394Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-06-25T08:39:47.917Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/wireless/scan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c3d30daf03130cf35c0e70185719ce16fc3ea6c4", "status": "affected", "version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "versionType": "git"}, {"lessThan": "87484866cae9130b97c2b356eeaea4f47b292f75", "status": "affected", "version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "versionType": "git"}, {"lessThan": "df44397bbd8f3a38115c9590b686787e4aaf6327", "status": "affected", "version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "versionType": "git"}, {"lessThan": "fb8db813eba2e56ee001c9fb5c2ce2cb78c42642", "status": "affected", "version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "versionType": "git"}, {"lessThan": "a24134ddc18b4d440714365637d440b7121447b9", "status": "affected", "version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "versionType": "git"}, {"lessThan": "e8694f7cc29287e843648d1075177b9a2000d957", "status": "affected", "version": "c8cb5b854b40f2ce52ccd032fa19750f4181d5fc", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/wireless/scan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"lessThan": "5.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.36", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "71576ED2-59A4-421C-AFAF-7379A7DAE364", "versionEndExcluding": "6.18.36", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A64BF9F-3BCA-42FD-98CB-8F03474D2B1E", "versionEndExcluding": "7.0.13", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "B1EF7059-E670-45F4-B422-54C40FA86390", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "0D38F0BF-A728-4133-A358-D44A2F7EE6D6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "EC732D08-5F7B-46D9-B154-E60C7F4F0A97", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "E5910A9D-F60A-409A-B486-FE66BFEBA9B9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "81DFF19E-9CF8-49C6-8C36-1E4038622933", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*", "matchCriteriaId": "B0E8FC71-3952-444C-83E9-718DBBBEC615", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: fix leak if split 6 GHz scanning fails\n\nrdev->int_scan_req is leaked if cfg80211_scan() fails. Note that it's\nsupposed to be released at ___cfg80211_scan_done() but this doesn't happen\nas rdev->scan_req is NULL at that point, too, leading to the early return\nfrom the freeing function.\n\nunreferenced object 0xffff8881161d0800 (size 512):\n comm \"wpa_supplicant\", pid 379, jiffies 4294749765\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 f0 81 13 16 81 88 ff ff ................\n backtrace (crc c867fdb6):\n kmemleak_alloc+0x89/0x90\n __kmalloc_noprof+0x2fd/0x410\n cfg80211_scan+0x133/0x730\n nl80211_trigger_scan+0xc69/0x1cc0\n genl_family_rcv_msg_doit+0x204/0x2f0\n genl_rcv_msg+0x431/0x6b0\n netlink_rcv_skb+0x143/0x3f0\n genl_rcv+0x27/0x40\n netlink_unicast+0x4f6/0x820\n netlink_sendmsg+0x797/0xce0\n __sock_sendmsg+0xc4/0x160\n ____sys_sendmsg+0x5e4/0x890\n ___sys_sendmsg+0xf8/0x180\n __sys_sendmsg+0x136/0x1e0\n __x64_sys_sendmsg+0x76/0xc0\n x64_sys_call+0x13f0/0x17d0\n\nFound by Linux Verification Center (linuxtesting.org)."}], "id": "CVE-2026-53258", "lastModified": "2026-11-06T17:18:16.917", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53258", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-06T16:24:25.358613Z", "version": "2.0.3"}}]}, "published": "2026-06-25T09:16:43.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/87484866cae9130b97c2b356eeaea4f47b292f75"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a24134ddc18b4d440714365637d440b7121447b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c3d30daf03130cf35c0e70185719ce16fc3ea6c4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df44397bbd8f3a38115c9590b686787e4aaf6327"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e8694f7cc29287e843648d1075177b9a2000d957"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fb8db813eba2e56ee001c9fb5c2ce2cb78c42642"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: fix leak if split 6 GHz scanning fails", "id": "2492834", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492834"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: fix leak if split 6 GHz scanning fails\nrdev->int_scan_req is leaked if cfg80211_scan() fails. Note that it's\nsupposed to be released at ___cfg80211_scan_done() but this doesn't happen\nas rdev->scan_req is NULL at that point, too, leading to the early return\nfrom the freeing function.\nunreferenced object 0xffff8881161d0800 (size 512):\ncomm \"wpa_supplicant\", pid 379, jiffies 4294749765\nhex dump (first 32 bytes):\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n00 00 00 00 00 00 00 00 f0 81 13 16 81 88 ff ff ................\nbacktrace (crc c867fdb6):\nkmemleak_alloc+0x89/0x90\n__kmalloc_noprof+0x2fd/0x410\ncfg80211_scan+0x133/0x730\nnl80211_trigger_scan+0xc69/0x1cc0\ngenl_family_rcv_msg_doit+0x204/0x2f0\ngenl_rcv_msg+0x431/0x6b0\nnetlink_rcv_skb+0x143/0x3f0\ngenl_rcv+0x27/0x40\nnetlink_unicast+0x4f6/0x820\nnetlink_sendmsg+0x797/0xce0\n__sock_sendmsg+0xc4/0x160\n____sys_sendmsg+0x5e4/0x890\n___sys_sendmsg+0xf8/0x180\n__sys_sendmsg+0x136/0x1e0\n__x64_sys_sendmsg+0x76/0xc0\nx64_sys_call+0x13f0/0x17d0\nFound by Linux Verification Center (linuxtesting.org)."], "name": "CVE-2026-53258", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53258\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53258\nhttps://lore.kernel.org/linux-cve-announce/2026062515-CVE-2026-53258-50dc@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8cb5b854b40f2ce52ccd032fa19750f4181d5fc,fb8db813eba2e56ee001c9fb5c2ce2cb78c42642)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8cb5b854b40f2ce52ccd032fa19750f4181d5fc,a24134ddc18b4d440714365637d440b7121447b9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c8cb5b854b40f2ce52ccd032fa19750f4181d5fc,e8694f7cc29287e843648d1075177b9a2000d957)"}}], "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": "5.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-25T12:15:03.845626+00:00", "updated": "2026-06-30T04:30:04.724629+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401"]}