{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2026-23126", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23126", "idYear": 2026, "status": "PUBLISHED", "publishedAt": "2026-02-14T15:09:55.552Z", "updatedAt": "2026-10-19T18:25:32.555Z", "importedAt": "2026-10-24T01:58:02.025Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "netdevsim: fix a race issue related to the operation on bpf_bound_progs list", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdevsim: fix a race issue related to the operation on bpf_bound_progs list\n\nThe netdevsim driver lacks a protection mechanism for operations on the\nbpf_bound_progs list. When the nsim_bpf_create_prog() performs\nlist_add_tail, it is possible that nsim_bpf_destroy_prog() is\nsimultaneously performs list_del. Concurrent operations on the list may\nlead to list corruption and trigger a kernel crash as follows:\n\n[ 417.290971] kernel BUG at lib/list_debug.c:62!\n[ 417.290983] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI\n[ 417.290992] CPU: 10 PID: 168 Comm: kworker/10:1 Kdump: loaded Not tainted 6.19.0-rc5 #1\n[ 417.291003] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 417.291007] Workqueue: events bpf_prog_free_deferred\n[ 417.291021] RIP: 0010:__list_del_entry_valid_or_report+0xa7/0xc0\n[ 417.291034] Code: a8 ff 0f 0b 48 89 fe 48 89 ca 48 c7 c7 48 a1 eb ae e8 ed fb a8 ff 0f 0b 48 89 fe 48 89 c2 48 c7 c7 80 a1 eb ae e8 d9 fb a8 ff <0f> 0b 48 89 d1 48 c7 c7 d0 a1 eb ae 48 89 f2 48 89 c6 e8 c2 fb a8\n[ 417.291040] RSP: 0018:ffffb16a40807df8 EFLAGS: 00010246\n[ 417.291046] RAX: 000000000000006d RBX: ffff8e589866f500 RCX: 0000000000000000\n[ 417.291051] RDX: 0000000000000000 RSI: ffff8e59f7b23180 RDI: ffff8e59f7b23180\n[ 417.291055] RBP: ffffb16a412c9000 R08: 0000000000000000 R09: 0000000000000003\n[ 417.291059] R10: ffffb16a40807c80 R11: ffffffffaf9edce8 R12: ffff8e594427ac20\n[ 417.291063] R13: ffff8e59f7b44780 R14: ffff8e58800b7a05 R15: 0000000000000000\n[ 417.291074] FS: 0000000000000000(0000) GS:ffff8e59f7b00000(0000) knlGS:0000000000000000\n[ 417.291079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 417.291083] CR2: 00007fc4083efe08 CR3: 00000001c3626006 CR4: 0000000000770ee0\n[ 417.291088] PKRU: 55555554\n[ 417.291091] Call Trace:\n[ 417.291096] \n[ 417.291103] nsim_bpf_destroy_prog+0x31/0x80 [netdevsim]\n[ 417.291154] __bpf_prog_offload_destroy+0x2a/0x80\n[ 417.291163] bpf_prog_dev_bound_destroy+0x6f/0xb0\n[ 417.291171] bpf_prog_free_deferred+0x18e/0x1a0\n[ 417.291178] process_one_work+0x18a/0x3a0\n[ 417.291188] worker_thread+0x27b/0x3a0\n[ 417.291197] ? __pfx_worker_thread+0x10/0x10\n[ 417.291207] kthread+0xe5/0x120\n[ 417.291214] ? __pfx_kthread+0x10/0x10\n[ 417.291221] ret_from_fork+0x31/0x50\n[ 417.291230] ? __pfx_kthread+0x10/0x10\n[ 417.291236] ret_from_fork_asm+0x1a/0x30\n[ 417.291246] \n\nAdd a mutex lock, to prevent simultaneous addition and deletion operations\non the list.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "31d3ad832948c75139b0e5b653912f7898a1d5d5", "status": "affected", "versionType": "git", "lessThan": "3f560cfc7706029294132482fff5d1bc7884b70d" }, { "version": "31d3ad832948c75139b0e5b653912f7898a1d5d5", "status": "affected", "versionType": "git", "lessThan": "f1f9cfd2f46a73b7de2982d01be822eac3a0efaa" }, { "version": "31d3ad832948c75139b0e5b653912f7898a1d5d5", "status": "affected", "versionType": "git", "lessThan": "d77379ca82efcb2fe563359cc795027d680410db" }, { "version": "31d3ad832948c75139b0e5b653912f7898a1d5d5", "status": "affected", "versionType": "git", "lessThan": "68462ecc40ea8f780fb3c74ebfddd05506bb731b" }, { "version": "31d3ad832948c75139b0e5b653912f7898a1d5d5", "status": "affected", "versionType": "git", "lessThan": "b97d5eedf4976cc94321243be83b39efe81a0e15" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.16", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.16" }, { "version": "6.1.162", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.122", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.68", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.18.8", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.18.*" }, { "version": "6.19", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }