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CVE-2026-43393

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies() Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4421259c71d2fdd28f37d9450685904bbfe3eb2fa8c12ef9d64623ccfd69f95f
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":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEq…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0e4aaf5a3212b6a469c2489637c29a8e2a5062a5","status":"affected","version":"0ae653fbec2b9fbc72c65a0c99528990bfb2136d","versionType":"git"},{"lessThan":"7bdf00ed75c477252578068dba19934cd825f20a","status":"affected","version":"0ae653fbec2b9fbc72c65a0c99528990bfb2136d","versionType":"git"},{"lessThan":"4f90c5c2698383984102401b1724b0b67da832ab","status":"affected","version":"0ae653fbec2b9fbc72c65a0c995…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEq…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/volumes.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0e4aaf5a3212b6a469c2489637c29a8e2a5062a5","status":"affected","version":"0ae653fbec2b9fbc72c65a0c99528990bfb2136d","versionType":"git"},{"lessThan":"7bdf00ed75c477252578068dba19934cd825f20a","status":"affected","version":"0ae653fbec2b9fbc72c65a0c99528990bfb2136d","versionType":"git"},{"lessThan":"4f90c5c2698383984102401b1724b0b67da832ab","status":"affected","version":"0ae653fbec2b9fbc72c65a0c995…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/affected/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/0e4aaf5a3212b6a469c2489637c29a8e2a5062a5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/4f90c5c2698383984102401b1724b0b67da832ab"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/7bdf00ed75c477252578068dba19934cd825f20a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/f15fb3d41543244d1179f423da4a4832a55bc050"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a1f589dd5e270bbf3782a351292b4eb331d4c6655a3e6ce3818ed2b53a2ff47e · sha256:ff44c778a5c29e73… · /containers/cna/references/3

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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