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CVE-2026-43416

In the Linux kernel, the following vulnerability has been resolved: powerpc, perf: Check that current->mm is alive before getting user callchain It may happen that mm is already released, which leads to kernel panic. This adds the NULL check for current->mm, similarly to commit 20afc60f892d ("x86, perf: Check that current->mm is alive before getting user callchain"). I was getting this panic when running a profiling BPF program (profile.py from bcc-tools): [26215.051935] Kernel attempted
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:16c24bd3b41543f490dac6a4adc1f1ed2c135c4fd3b1a8824ade4489f1fe3b55
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/powerpc/perf/callchain.c","arch/powerpc/perf/callchain_32.c","arch/powerpc/perf/callchain_64.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"98074e16742ae87fb82e234b419783c5ffc9baea","status":"affected","version":"20002ded4d937ca87aca6253b874920a96a763c4","versionType":"git"},{"lessThan":"7e5f60b8cfc02a2b23a40a5f5fd2fa81d010e737","status":"affected","version":"20002ded4d937ca87aca6253b874920a96a763c4","versionType":"git"},{"lessThan":"e9bbfb4bfa86c6b5515…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/powerpc/perf/callchain.c","arch/powerpc/perf/callchain_32.c","arch/powerpc/perf/callchain_64.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.32"},{"lessThan":"2.6.32","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*",…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/powerpc/perf/callchain.c","arch/powerpc/perf/callchain_32.c","arch/powerpc/perf/callchain_64.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"98074e16742ae87fb82e234b419783c5ffc9baea","status":"affected","version":"20002ded4d937ca87aca6253b874920a96a763c4","versionType":"git"},{"lessThan":"7e5f60b8cfc02a2b23a40a5f5fd2fa81d010e737","status":"affected","version":"20002ded4d937ca87aca6253b874920a96a763c4","versionType":"git"},{"lessThan":"e9bbfb4bfa86c6b5515…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/powerpc/perf/callchain.c","arch/powerpc/perf/callchain_32.c","arch/powerpc/perf/callchain_64.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.32"},{"lessThan":"2.6.32","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*",…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/7e5f60b8cfc02a2b23a40a5f5fd2fa81d010e737"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/98074e16742ae87fb82e234b419783c5ffc9baea"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e9bbfb4bfa86c6b5515b868d6982ac60505d7e39"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:138b48d733bb4c6a636ef3ca9753f696bb6e795bbf516da1587c607a294d2d5d · sha256:6b2c48b371065f94… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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