{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43409","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:56.008Z","datePublished":"2026-05-08T14:21:48.239Z","dateUpdated":"2026-05-11T22:24:01.453Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:24:01.453Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nkprobes: avoid crash when rmmod/insmod after ftrace killed\n\nAfter we hit ftrace is killed by some errors, the kernel crash if\nwe remove modules in which kprobe probes.\n\nBUG: unable to handle page fault for address: fffffbfff805000d\nPGD 817fcc067 P4D 817fcc067 PUD 817fc8067 PMD 101555067 PTE 0\nOops: Oops: 0000 [#1] SMP KASAN PTI\nCPU: 4 UID: 0 PID: 2012 Comm: rmmod Tainted: G        W  OE\nTainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\nRIP: 0010:kprobes_module_callback+0x89/0x790\nRSP: 0018:ffff88812e157d30 EFLAGS: 00010a02\nRAX: 1ffffffff805000d RBX: dffffc0000000000 RCX: ffffffff86a8de90\nRDX: ffffed1025c2af9b RSI: 0000000000000008 RDI: ffffffffc0280068\nRBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1025c2af9a\nR10: ffff88812e157cd7 R11: 205d323130325420 R12: 0000000000000002\nR13: ffffffffc0290488 R14: 0000000000000002 R15: ffffffffc0280040\nFS:  00007fbc450dd740(0000) GS:ffff888420331000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: fffffbfff805000d CR3: 000000010f624000 CR4: 00000000000006f0\nCall Trace:\n <TASK>\n notifier_call_chain+0xc6/0x280\n blocking_notifier_call_chain+0x60/0x90\n __do_sys_delete_module.constprop.0+0x32a/0x4e0\n do_syscall_64+0x5d/0xfa0\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nThis is because the kprobe on ftrace does not correctly handles\nthe kprobe_ftrace_disabled flag set by ftrace_kill().\n\nTo prevent this error, check kprobe_ftrace_disabled in\n__disarm_kprobe_ftrace() and skip all ftrace related operations."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/kprobes.c"],"versions":[{"version":"ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b","lessThan":"8b6767e4141b2a42745b544d4555cf1614ba1a2d","status":"affected","versionType":"git"},{"version":"ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b","lessThan":"b0ca81616a010807e91fc31db9be242b96326adc","status":"affected","versionType":"git"},{"version":"ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b","lessThan":"cae928e3178c75602c21d67e21255d73e7e9ed4f","status":"affected","versionType":"git"},{"version":"ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b","lessThan":"9edc79d664832a842012ad105b1521c1a3c35ab3","status":"affected","versionType":"git"},{"version":"ae6aa16fdc163afe6b04b6c073ad4ddd4663c03b","lessThan":"e113f0b46d19626ec15388bcb91432c9a4fd6261","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["kernel/kprobes.c"],"versions":[{"version":"3.7","status":"affected"},{"version":"0","lessThan":"3.7","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.78","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.19","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.9","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"3.7","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.18.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8b6767e4141b2a42745b544d4555cf1614ba1a2d"},{"url":"https://git.kernel.org/stable/c/b0ca81616a010807e91fc31db9be242b96326adc"},{"url":"https://git.kernel.org/stable/c/cae928e3178c75602c21d67e21255d73e7e9ed4f"},{"url":"https://git.kernel.org/stable/c/9edc79d664832a842012ad105b1521c1a3c35ab3"},{"url":"https://git.kernel.org/stable/c/e113f0b46d19626ec15388bcb91432c9a4fd6261"}],"title":"kprobes: avoid crash when rmmod/insmod after ftrace killed","x_generator":{"engine":"bippy-1.2.0"}}}}