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CVE-2026-53062

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidate_mapping operation is called simultaneously from multiple workers, thus it should be protected by a lock. Otherwise, we might end up with data races on the allocated blocks counter, or even use-after-free issues with internal data structures when doing concurrent writes. Note that the existing FIXME in smq_invalidate_
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c6280dd7eef8d6280cc3a762bdc26b35d630101be581ede4c155181c8bd340c3
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":["drivers/md/dm-cache-policy-smq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4991b5a08751e2e82488fb93ae08849b6aea10d9","status":"affected","version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","versionType":"git"},{"lessThan":"1b2bec4a7dcf5f00b7a1cbeeec8997841d783513","status":"affected","version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","versionType":"git"},{"lessThan":"9a5fdfb9e57ec3a8ad2b8fce5e5ffa42d53b130e","status":"affected","version":"b29d4986d0da1…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/md/dm-cache-policy-smq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/md/dm-cache-policy-smq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4991b5a08751e2e82488fb93ae08849b6aea10d9","status":"affected","version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","versionType":"git"},{"lessThan":"1b2bec4a7dcf5f00b7a1cbeeec8997841d783513","status":"affected","version":"b29d4986d0da1a27cd35917cdb433672f5c95d7f","versionType":"git"},{"lessThan":"9a5fdfb9e57ec3a8ad2b8fce5e5ffa42d53b130e","status":"affected","version":"b29d4986d0da1…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/md/dm-cache-policy-smq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /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:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/1b2bec4a7dcf5f00b7a1cbeeec8997841d783513"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/2b62d0611c9af14a16bddf22df2612b4f40eb5a1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/2d1f7b65f5deedd2e6b09fdc6ea27f8375f24b45"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/4991b5a08751e2e82488fb93ae08849b6aea10d9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/93627a29d4b66d4a2def938dfb8610cc80ae454b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/9a5fdfb9e57ec3a8ad2b8fce5e5ffa42d53b130e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ac5ee99443891bdb161f5539606a66a1b5e72542"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c348ae47d8e65f06429fa41adce9ad986b696766"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:531be096961faf961003e36e608bf326c8d9bdfbc2449eec963a8621a0d2f6cb · sha256:05587c97ff2cbf68… · /containers/cna/references/5

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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