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CVE-2026-63813

In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: remove non-uptodate folio from the page cache in move_data_block" This reverts commit 9609dd704725a40cd63d915f2ab6c44248a44598. The kernel panics are keeping to be reported especially when the f2fs partition get almost full. By investigation, we find that the reason is one f2fs page got freed to buddy without being deleted from LRU and the root cause is the race happened in [2] which is enrolled by this commit.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7f4aa6bfc8cfb6b614554c750d63cff61c3241b83d4448a7f7538a93a40d0ff8
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":["fs/f2fs/gc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1991d49433e90b2202de2fe90be3c24161873d7c","status":"affected","version":"5a4d3968cf820686400fc757a4512dcaddd84846","versionType":"git"},{"lessThan":"6e035dae44154af4dd7bdb8ef7a1118c0b5f17b6","status":"affected","version":"9609dd704725a40cd63d915f2ab6c44248a44598","versionType":"git"},{"lessThan":"ccaba785821970f422c47770331c7e3271763f17","status":"affected","version":"9609dd704725a40cd63d915f2ab6c4424…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/f2fs/gc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/f2fs/gc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1991d49433e90b2202de2fe90be3c24161873d7c","status":"affected","version":"5a4d3968cf820686400fc757a4512dcaddd84846","versionType":"git"},{"lessThan":"6e035dae44154af4dd7bdb8ef7a1118c0b5f17b6","status":"affected","version":"9609dd704725a40cd63d915f2ab6c44248a44598","versionType":"git"},{"lessThan":"ccaba785821970f422c47770331c7e3271763f17","status":"affected","version":"9609dd704725a40cd63d915f2ab6c4424…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/f2fs/gc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.0"},{"lessThan":"7.0","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /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:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/1991d49433e90b2202de2fe90be3c24161873d7c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/6e035dae44154af4dd7bdb8ef7a1118c0b5f17b6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ccaba785821970f422c47770331c7e3271763f17"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1f63863c4c6dca11c63c376364f5da703ad235ce9da276a7fba2b81da6ec4cf0 · sha256:9a43b7b4066edd0b… · /containers/cna/references/2

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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