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CVE-2026-31650

In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix use-after-free on disconnect The vub300 driver maintains an explicit reference count for the controller and its driver data and the last reference can in theory be dropped after the driver has been unbound. This specifically means that the controller allocation must not be device managed as that can lead to use-after-free. Note that the lifetime is currently also incorrectly tied the parent USB device rather
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1c688754d76ee99c45782455f24510bd91d021ceb924c430c2dc41b778174875
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/mmc/host/vub300.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ea7468f61be033f4e18b95f2912010ed1d175d75","status":"affected","version":"dcfdd698dc521c6046e9b80c16281575efb25d23","versionType":"git"},{"lessThan":"ef0448c569b37ceabdd038e9faa311e5179127b0","status":"affected","version":"dcfdd698dc521c6046e9b80c16281575efb25d23","versionType":"git"},{"lessThan":"8f4d20a710225ec7a565f6a0459862d3b1f32330","status":"affected","version":"dcfdd698dc521c6046e9…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/mmc/host/vub300.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.23","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/mmc/host/vub300.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ea7468f61be033f4e18b95f2912010ed1d175d75","status":"affected","version":"dcfdd698dc521c6046e9b80c16281575efb25d23","versionType":"git"},{"lessThan":"ef0448c569b37ceabdd038e9faa311e5179127b0","status":"affected","version":"dcfdd698dc521c6046e9b80c16281575efb25d23","versionType":"git"},{"lessThan":"8f4d20a710225ec7a565f6a0459862d3b1f32330","status":"affected","version":"dcfdd698dc521c6046e9…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/mmc/host/vub300.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.23","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.13","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/8f4d20a710225ec7a565f6a0459862d3b1f32330"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ea7468f61be033f4e18b95f2912010ed1d175d75"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ef0448c569b37ceabdd038e9faa311e5179127b0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1c60d00cb54671a81abefd98c96941b4305bdf5134e9ff1655b32e4ef8154656 · sha256:8ababab6cb805222… · /containers/cna/references/1

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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