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CVE-2026-31750

In the Linux kernel, the following vulnerability has been resolved: comedi: runflags cannot determine whether to reclaim chanlist syzbot reported a memory leak [1], because commit 4e1da516debb ("comedi: Add reference counting for Comedi command handling") did not consider the exceptional exit case in do_cmd_ioctl() where runflags is not set. This caused chanlist not to be properly freed by do_become_nonbusy(), as it only frees chanlist when runflags is correctly set. Added a check in do_becom
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1fc696cab20c066bbceaed746c80e28c996d9112ef30f71ff02701de2c2234cd
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/comedi/comedi_fops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"830c848aba9f047eb6b34288975ebeb8e8621451","status":"affected","version":"4e1da516debbe6a573ffa0392e2809d180d0575c","versionType":"git"},{"lessThan":"29f644f14b89e6c4965e3c89251929e451190a66","status":"affected","version":"4e1da516debbe6a573ffa0392e2809d180d0575c","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:834eb7cbdc94852d20ff35cd924e49f14094f55b8bc5cfc2f746344d8c5dd951 · sha256:c45114b87cf7ab0b… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/comedi/comedi_fops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:834eb7cbdc94852d20ff35cd924e49f14094f55b8bc5cfc2f746344d8c5dd951 · sha256:c45114b87cf7ab0b… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/comedi/comedi_fops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"830c848aba9f047eb6b34288975ebeb8e8621451","status":"affected","version":"4e1da516debbe6a573ffa0392e2809d180d0575c","versionType":"git"},{"lessThan":"29f644f14b89e6c4965e3c89251929e451190a66","status":"affected","version":"4e1da516debbe6a573ffa0392e2809d180d0575c","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:834eb7cbdc94852d20ff35cd924e49f14094f55b8bc5cfc2f746344d8c5dd951 · sha256:c45114b87cf7ab0b… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/comedi/comedi_fops.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:834eb7cbdc94852d20ff35cd924e49f14094f55b8bc5cfc2f746344d8c5dd951 · sha256:c45114b87cf7ab0b… · /containers/cna/affected/1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/29f644f14b89e6c4965e3c89251929e451190a66"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:834eb7cbdc94852d20ff35cd924e49f14094f55b8bc5cfc2f746344d8c5dd951 · sha256:c45114b87cf7ab0b… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/830c848aba9f047eb6b34288975ebeb8e8621451"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:834eb7cbdc94852d20ff35cd924e49f14094f55b8bc5cfc2f746344d8c5dd951 · sha256:c45114b87cf7ab0b… · /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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