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CVE-2026-23191

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substream in the corresponding cable. Since both check and stop operations are performed outside the cable lock, this may result in UAF when a program attempts to trigger frequently while opening/closing the tied stream, as spotted by fuzzers. For addressing the UAF, this patch chan
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eef2be4e61abd8a52e2b2f0adc56765af413232aa7115f8880414625158c4347
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":["sound/drivers/aloop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bad15420050db1803767e58756114800cce91ea4","status":"affected","version":"b1c73fc8e697eb73e23603e465e9af2711ed4183","versionType":"git"},{"lessThan":"5727ccf9d19ca414cb76d9b647883822e2789c2e","status":"affected","version":"b1c73fc8e697eb73e23603e465e9af2711ed4183","versionType":"git"},{"lessThan":"826af7fa62e347464b1b4e0ba2fe19a92438084f","status":"affected","version":"b1c73fc8e697eb73e23603e4…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["sound/drivers/aloop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.37"},{"lessThan":"2.6.37","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.70","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/drivers/aloop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bad15420050db1803767e58756114800cce91ea4","status":"affected","version":"b1c73fc8e697eb73e23603e465e9af2711ed4183","versionType":"git"},{"lessThan":"5727ccf9d19ca414cb76d9b647883822e2789c2e","status":"affected","version":"b1c73fc8e697eb73e23603e465e9af2711ed4183","versionType":"git"},{"lessThan":"826af7fa62e347464b1b4e0ba2fe19a92438084f","status":"affected","version":"b1c73fc8e697eb73e23603e4…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["sound/drivers/aloop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.37"},{"lessThan":"2.6.37","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.70","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/5727ccf9d19ca414cb76d9b647883822e2789c2e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/826af7fa62e347464b1b4e0ba2fe19a92438084f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/bad15420050db1803767e58756114800cce91ea4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:26173e1cefce9e565c7dbf8dc35ca59347fe8d14f1d062a4a1fe6a0322aefade · sha256:c747bb9ee679887d… · /containers/cna/references/0

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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