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CVE-2026-23157

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages [BUG] There is an internal report that over 1000 processes are waiting at the io_schedule_timeout() of balance_dirty_pages(), causing a system hang and trigger a kernel coredump. The kernel is v6.4 kernel based, but the root problem still applies to any upstream kernel before v6.18. [CAUSE] From Jan Kara for his wisdom on the dirty page balance b
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:50e28903bf47d18fe005c71662661eb3dd61192be673b24bee76232279034bdf
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/disk-io.c","fs/btrfs/extent_io.c","fs/btrfs/extent_io.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.29"},{"lessThan":"2.6.29","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/disk-io.c","fs/btrfs/extent_io.c","fs/btrfs/extent_io.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6a8b6242eaa1dd7a0de2d6de6420d10ffe68db90","status":"affected","version":"793955bca66c99defdffc857ae6eb7e8431d6bbe","versionType":"git"},{"lessThan":"bb9be3f713652e330df00f3724c18c7a5469e7ac","status":"affected","version":"793955bca66c99defdffc857ae6eb7e8431d6bbe","versionType":"git"},{"lessThan":"4357e02cafabe01c2d737ceb4c4c6382fc2ee10a","status":"af…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/disk-io.c","fs/btrfs/extent_io.c","fs/btrfs/extent_io.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.29"},{"lessThan":"2.6.29","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/disk-io.c","fs/btrfs/extent_io.c","fs/btrfs/extent_io.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6a8b6242eaa1dd7a0de2d6de6420d10ffe68db90","status":"affected","version":"793955bca66c99defdffc857ae6eb7e8431d6bbe","versionType":"git"},{"lessThan":"bb9be3f713652e330df00f3724c18c7a5469e7ac","status":"affected","version":"793955bca66c99defdffc857ae6eb7e8431d6bbe","versionType":"git"},{"lessThan":"4357e02cafabe01c2d737ceb4c4c6382fc2ee10a","status":"af…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/affected/0

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/0c3666ec188640c20e254011e7adf4464c32ee58"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/4357e02cafabe01c2d737ceb4c4c6382fc2ee10a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4e159150a9a56d66d247f4b5510bed46fe58aa1c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/629666d20c7dcd740e193ec0631fdff035b1f7d6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/6a8b6242eaa1dd7a0de2d6de6420d10ffe68db90"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/bb9be3f713652e330df00f3724c18c7a5469e7ac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22856f55e1fae8a40cb77e26b5271646612d8c448d1dcd508e8853921b3b368a · sha256:f01d7c81e3625793… · /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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