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CVE-2026-64061

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix early put of sink folio in netfs_read_gaps() Fix netfs_read_gaps() to release the sink page it uses after waiting for the request to complete. The way the sink page is used is that an ITER_BVEC-class iterator is created that has the gaps from the target folio at either end, but has the sink page tiled over the middle so that a single read op can fill in both gaps. The bug was found by KASAN detecting a UAF on the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:df3a01fe9a79b7145c9ee7781ceab49af90c345a1f43969c866f611d113fefdc
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/netfs/buffered_read.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2a39d49c8d97df8cb8fa80c10859bc1ba7358c6b","status":"affected","version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","versionType":"git"},{"lessThan":"d4f4bc87c76511cf2532448b0fa40c25e894bd7d","status":"affected","version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","versionType":"git"},{"lessThan":"412e8bad48967fd34295866636c028befd27d8b9","status":"affected","version":"ee4cdf7ba857a894ad165…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/netfs/buffered_read.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":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/netfs/buffered_read.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2a39d49c8d97df8cb8fa80c10859bc1ba7358c6b","status":"affected","version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","versionType":"git"},{"lessThan":"d4f4bc87c76511cf2532448b0fa40c25e894bd7d","status":"affected","version":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e","versionType":"git"},{"lessThan":"412e8bad48967fd34295866636c028befd27d8b9","status":"affected","version":"ee4cdf7ba857a894ad165…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/netfs/buffered_read.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":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/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:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/2a39d49c8d97df8cb8fa80c10859bc1ba7358c6b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/3e5dd91b87a8b1450217b56a336bee315f40da7d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/412e8bad48967fd34295866636c028befd27d8b9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d4f4bc87c76511cf2532448b0fa40c25e894bd7d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6164022e9dba28599164eee48d95b196e449263a3dc9ff5dc2c99f68e2f4fb13 · sha256:6fbeef216300dee7… · /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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