CVE-2026-80629

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80629", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.776Z", "datePublished": "2026-08-28T06:48:45.976Z", "dateUpdated": "2026-10-30T12:30:46.767Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:30:46.767Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: npc: Fix size of entry2cntr_map\n\nKASAN prints below splat. This is caused by allocating counter for\nreserved mcam entry for cpt 2nd pass entry. But mcam->entry2cntr_map\nis not allocated for reserved entries.\n\nBUG: KASAN: slab-out-of-bounds in npc_map_mcam_entry_and_cntr+0xb0/0x1a0\nWrite of size 2 at addr ffff0001033e7ffe by task kworker/0:1/14\n\nCPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.67 #1\nHardware name: Marvell CN106XX board (DT)\nWorkqueue: events work_for_cpu_fn\nCall trace:\n dump_backtrace.part.0+0xe4/0xf0\n show_stack+0x18/0x30\n dump_stack_lvl+0x88/0xb4\n print_report+0x154/0x458\n kasan_report+0xb8/0x194\n __asan_store2+0x7c/0xa0\n npc_map_mcam_entry_and_cntr+0xb0/0x1a0\n rvu_mbox_handler_npc_mcam_write_entry+0x268/0x280\n npc_install_flow+0x840/0xfe0\n rvu_npc_install_cpt_pass2_entry+0x138/0x190\n rvu_nix_init+0x148c/0x2880\n rvu_probe+0x1800/0x30b0\n local_pci_probe+0x78/0xe0\n work_for_cpu_fn+0x30/0x50\n process_one_work+0x4cc/0x97c\n worker_thread+0x360/0x630\n kthread+0x1a0/0x1b0\n ret_from_fork+0x10/0x20"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c"], "versions": [{"version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "lessThan": "b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc", "status": "affected", "versionType": "git"}, {"version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "lessThan": "30e5ee98e86ad47c76695458987097e849d0611a", "status": "affected", "versionType": "git"}, {"version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "lessThan": "de8e3a4004c5df9461974352e9d7ff0f8313c508", "status": "affected", "versionType": "git"}, {"version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "lessThan": "1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e", "status": "affected", "versionType": "git"}, {"version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "lessThan": "2477c523c6e69733d51101ae9bd2dfc0a054b13d", "status": "affected", "versionType": "git"}, {"version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "lessThan": "f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232", "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/marvell/octeontx2/af/rvu_npc.c"], "versions": [{"version": "5.11", "status": "affected"}, {"version": "0", "lessThan": "5.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "5.11", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc"}, {"url": "https://git.kernel.org/stable/c/30e5ee98e86ad47c76695458987097e849d0611a"}, {"url": "https://git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508"}, {"url": "https://git.kernel.org/stable/c/1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e"}, {"url": "https://git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d"}, {"url": "https://git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232"}], "title": "octeontx2-af: npc: Fix size of entry2cntr_map", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc", "status": "affected", "version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "versionType": "git"}, {"lessThan": "30e5ee98e86ad47c76695458987097e849d0611a", "status": "affected", "version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "versionType": "git"}, {"lessThan": "de8e3a4004c5df9461974352e9d7ff0f8313c508", "status": "affected", "version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "versionType": "git"}, {"lessThan": "1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e", "status": "affected", "version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "versionType": "git"}, {"lessThan": "2477c523c6e69733d51101ae9bd2dfc0a054b13d", "status": "affected", "version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "versionType": "git"}, {"lessThan": "f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232", "status": "affected", "version": "55307fcb925846d760ed80f4a8359dd4331c52bd", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.11"}, {"lessThan": "5.11", "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": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\nocteontx2-af: npc: Fix size of entry2cntr_map\n\nKASAN prints below splat. This is caused by allocating counter for\nreserved mcam entry for cpt 2nd pass entry. But mcam->entry2cntr_map\nis not allocated for reserved entries.\n\nBUG: KASAN: slab-out-of-bounds in npc_map_mcam_entry_and_cntr+0xb0/0x1a0\nWrite of size 2 at addr ffff0001033e7ffe by task kworker/0:1/14\n\nCPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.67 #1\nHardware name: Marvell CN106XX board (DT)\nWorkqueue: events work_for_cpu_fn\nCall trace:\n dump_backtrace.part.0+0xe4/0xf0\n show_stack+0x18/0x30\n dump_stack_lvl+0x88/0xb4\n print_report+0x154/0x458\n kasan_report+0xb8/0x194\n __asan_store2+0x7c/0xa0\n npc_map_mcam_entry_and_cntr+0xb0/0x1a0\n rvu_mbox_handler_npc_mcam_write_entry+0x268/0x280\n npc_install_flow+0x840/0xfe0\n rvu_npc_install_cpt_pass2_entry+0x138/0x190\n rvu_nix_init+0x148c/0x2880\n rvu_probe+0x1800/0x30b0\n local_pci_probe+0x78/0xe0\n work_for_cpu_fn+0x30/0x50\n process_one_work+0x4cc/0x97c\n worker_thread+0x360/0x630\n kthread+0x1a0/0x1b0\n ret_from_fork+0x10/0x20"}], "id": "CVE-2026-80629", "lastModified": "2026-10-30T13:20:08.483", "metrics": {}, "published": "2026-08-28T08:16:47.743", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2477c523c6e69733d51101ae9bd2dfc0a054b13d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30e5ee98e86ad47c76695458987097e849d0611a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b7727c4d6f1d3bf85fec781ffe2b3c7ba4c1ecdc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/de8e3a4004c5df9461974352e9d7ff0f8313c508"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: octeontx2-af: npc: Fix size of entry2cntr_map", "id": "2525380", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525380"}, "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"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nocteontx2-af: npc: Fix size of entry2cntr_map\nKASAN prints below splat. This is caused by allocating counter for\nreserved mcam entry for cpt 2nd pass entry. But mcam->entry2cntr_map\nis not allocated for reserved entries.\nBUG: KASAN: slab-out-of-bounds in npc_map_mcam_entry_and_cntr+0xb0/0x1a0\nWrite of size 2 at addr ffff0001033e7ffe by task kworker/0:1/14\nCPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.67 #1\nHardware name: Marvell CN106XX board (DT)\nWorkqueue: events work_for_cpu_fn\nCall trace:\ndump_backtrace.part.0+0xe4/0xf0\nshow_stack+0x18/0x30\ndump_stack_lvl+0x88/0xb4\nprint_report+0x154/0x458\nkasan_report+0xb8/0x194\n__asan_store2+0x7c/0xa0\nnpc_map_mcam_entry_and_cntr+0xb0/0x1a0\nrvu_mbox_handler_npc_mcam_write_entry+0x268/0x280\nnpc_install_flow+0x840/0xfe0\nrvu_npc_install_cpt_pass2_entry+0x138/0x190\nrvu_nix_init+0x148c/0x2880\nrvu_probe+0x1800/0x30b0\nlocal_pci_probe+0x78/0xe0\nwork_for_cpu_fn+0x30/0x50\nprocess_one_work+0x4cc/0x97c\nworker_thread+0x360/0x630\nkthread+0x1a0/0x1b0\nret_from_fork+0x10/0x20", "A flaw was found in the Linux kernel's `octeontx2-af: npc` component. This vulnerability arises from incorrect memory allocation when processing reserved MCAM entries for the CPT 2nd pass, leading to a small out-of-bounds write. An attacker could potentially exploit this memory corruption to cause a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-80629", "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": "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80629\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80629\nhttps://lore.kernel.org/linux-cve-announce/2026082838-CVE-2026-80629-fde7@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55307fcb925846d760ed80f4a8359dd4331c52bd,de8e3a4004c5df9461974352e9d7ff0f8313c508)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55307fcb925846d760ed80f4a8359dd4331c52bd,1d072cc3ba4338d6b2acb85d50a3af5cf2b12a3e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55307fcb925846d760ed80f4a8359dd4331c52bd,2477c523c6e69733d51101ae9bd2dfc0a054b13d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[55307fcb925846d760ed80f4a8359dd4331c52bd,f9cd6fabe0e7c7f6fc30c6c192c7ed72aba37232)"}}], "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": "5.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-28T10:30:17.561300+00:00", "updated": "2026-08-31T16:15:08.064984+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}