{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-99116", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.392Z", "datePublished": "2026-10-28T10:34:33.109Z", "dateUpdated": "2026-10-28T10:34:33.109Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-28T10:34:33.109Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: psp: do not inherit the Rx association on clone\n\nsk->psp_assoc sits past sk_dontcopy_end, so sock_copy() copies it into\nevery socket accepted from a listener without taking a reference, while\ninet_sock_destruct() puts for every inet socket. psp_twsk_init() does\nrefcount_inc() for the timewait socket, so a child closing through\nTIME_WAIT cancels its own put and leaves the association with one\nreference and N timewait sockets holding the same pointer. Closing the\nlistener frees it, and the timewait timers then put freed memory.\n\nRejecting the association on a listening socket is not sufficient: a socket\ncan acquire one while established and then be turned back into a listener,\nbecause tcp_disconnect() leaves sk->psp_assoc in place.\n\n BUG: KASAN: slab-use-after-free in psp_twsk_assoc_free+0x6f/0xf0\n Write of size 4 at addr ffff888110f9255c by task swapper/7/0\n psp_twsk_assoc_free+0x6f/0xf0\n inet_twsk_put+0xda/0x1b0\n call_timer_fn+0x53/0x2e0\n __run_timers+0x764/0xa80\n Freed by task 99:\n kfree+0x1a7/0x500\n process_one_work+0x7ec/0x1100\n\nAn association carries a per-connection SPI and key, so a child must not\ninherit the parent's. Clear it on clone."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/sock.c"], "versions": [{"version": "6b46ca260e2290e3453d1355ab5b6d283d73d780", "lessThan": "a9f14ea73e82db743f0acf4219f499d594589288", "status": "affected", "versionType": "git"}, {"version": "6b46ca260e2290e3453d1355ab5b6d283d73d780", "lessThan": "c962695467d3ab9738a6508279827ec33a7d2bdf", "status": "affected", "versionType": "git"}, {"version": "6b46ca260e2290e3453d1355ab5b6d283d73d780", "lessThan": "1d2929d0850fff683b8aff051275945e65f082c8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/sock.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.59", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.13", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.18", "versionEndExcluding": "6.18.59"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.2.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a9f14ea73e82db743f0acf4219f499d594589288"}, {"url": "https://git.kernel.org/stable/c/c962695467d3ab9738a6508279827ec33a7d2bdf"}, {"url": "https://git.kernel.org/stable/c/1d2929d0850fff683b8aff051275945e65f082c8"}], "title": "net: psp: do not inherit the Rx association on clone", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/core/sock.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a9f14ea73e82db743f0acf4219f499d594589288", "status": "affected", "version": "6b46ca260e2290e3453d1355ab5b6d283d73d780", "versionType": "git"}, {"lessThan": "c962695467d3ab9738a6508279827ec33a7d2bdf", "status": "affected", "version": "6b46ca260e2290e3453d1355ab5b6d283d73d780", "versionType": "git"}, {"lessThan": "1d2929d0850fff683b8aff051275945e65f082c8", "status": "affected", "version": "6b46ca260e2290e3453d1355ab5b6d283d73d780", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/core/sock.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.59", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.13", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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: psp: do not inherit the Rx association on clone\n\nsk->psp_assoc sits past sk_dontcopy_end, so sock_copy() copies it into\nevery socket accepted from a listener without taking a reference, while\ninet_sock_destruct() puts for every inet socket. psp_twsk_init() does\nrefcount_inc() for the timewait socket, so a child closing through\nTIME_WAIT cancels its own put and leaves the association with one\nreference and N timewait sockets holding the same pointer. Closing the\nlistener frees it, and the timewait timers then put freed memory.\n\nRejecting the association on a listening socket is not sufficient: a socket\ncan acquire one while established and then be turned back into a listener,\nbecause tcp_disconnect() leaves sk->psp_assoc in place.\n\n BUG: KASAN: slab-use-after-free in psp_twsk_assoc_free+0x6f/0xf0\n Write of size 4 at addr ffff888110f9255c by task swapper/7/0\n psp_twsk_assoc_free+0x6f/0xf0\n inet_twsk_put+0xda/0x1b0\n call_timer_fn+0x53/0x2e0\n __run_timers+0x764/0xa80\n Freed by task 99:\n kfree+0x1a7/0x500\n process_one_work+0x7ec/0x1100\n\nAn association carries a per-connection SPI and key, so a child must not\ninherit the parent's. Clear it on clone."}], "id": "CVE-2026-99116", "lastModified": "2026-10-28T11:17:31.140", "metrics": {}, "published": "2026-10-28T11:17:31.140", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d2929d0850fff683b8aff051275945e65f082c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a9f14ea73e82db743f0acf4219f499d594589288"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c962695467d3ab9738a6508279827ec33a7d2bdf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6b46ca260e2290e3453d1355ab5b6d283d73d780,a9f14ea73e82db743f0acf4219f499d594589288)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6b46ca260e2290e3453d1355ab5b6d283d73d780,c962695467d3ab9738a6508279827ec33a7d2bdf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6b46ca260e2290e3453d1355ab5b6d283d73d780,1d2929d0850fff683b8aff051275945e65f082c8)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.59,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6b46ca260e2290e3453d1355ab5b6d283d73d780,a9f14ea73e82db743f0acf4219f499d594589288)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6b46ca260e2290e3453d1355ab5b6d283d73d780,c962695467d3ab9738a6508279827ec33a7d2bdf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6b46ca260e2290e3453d1355ab5b6d283d73d780,1d2929d0850fff683b8aff051275945e65f082c8)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"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": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.59,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.13,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-28T12:45:16.182488+00:00", "updated": "2026-10-28T13:30:20.059505+00:00", "vendors": ["linux", "linux$PRODUCT$linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}