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CVE-2026-53294

In the Linux kernel, the following vulnerability has been resolved: mailbox: mailbox-test: don't free the reused channel The RX channel can be aliased to the TX channel if it has a different MMIO. This special case needs to be handled when freeing the channels otherwise a double-free occurs.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:97d0b926a3fec5e9593011b4acee321bc846c1e728526fe3ef6bf7732463c977
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":"affected","product":"Linux","programFiles":["drivers/mailbox/mailbox-test.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.4"},{"lessThan":"4.4","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:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/mailbox/mailbox-test.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fc0089f82c3e36060c2c79156bc2018bfb16b56b","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"5d4f3d0f64f1016cb78b400a70b67df91fac99b5","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"c494a11da45ad7ec9b0ff216c3e3ace351193bb6","status":"affected","version":"8ea4484d0c2bb4e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/mailbox/mailbox-test.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.4"},{"lessThan":"4.4","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:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/mailbox/mailbox-test.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fc0089f82c3e36060c2c79156bc2018bfb16b56b","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"5d4f3d0f64f1016cb78b400a70b67df91fac99b5","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"c494a11da45ad7ec9b0ff216c3e3ace351193bb6","status":"affected","version":"8ea4484d0c2bb4e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/affected/0

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/240c71a2aea36a1a4210f911a1c32ea88777e8e4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/3afca89fae501dbd7421e1777b5b8f033b1d98d0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/5c209299b0113e289e238fa5f2e8f00c59f76060"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/5d4f3d0f64f1016cb78b400a70b67df91fac99b5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/82f6dcea46cf5de65c4ba7283f7c7b34de4a324d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/88ebadbf0deefdaccdab868b44ff70a0a257f473"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/c494a11da45ad7ec9b0ff216c3e3ace351193bb6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/fc0089f82c3e36060c2c79156bc2018bfb16b56b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fba40db5b81fc5aee0d319b4c6ca98b1e635c077dd6f9974ccc0138e0b694388 · sha256:da7bf9137e2ba320… · /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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