XFS data corruption using reflink
Summary
XFS data corruption using reflink. Red Hat rates this important (CVSS 7.8). Weakness: CWE-362. Red Hat lists fixing advisory RHBA-2026:41254 with package kernel-0:6.12.0-55.89.1.el10_0, kernel-0:4.18.0-553.144.1.el8_10, kernel-0:5.14.0-284.182.1.el9_2, kernel-0:5.14.0-427.138.1.el9_4. Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
What this means
In plain English
XFS data corruption using reflink. Red Hat rates this important (CVSS 7.8). Weakness: CWE-362. Red Hat lists fixing advisory RHBA-2026:41254 with package kernel-0:6.12.0-55.89.1.el10_0, kernel-0:4.18.0-553.144.1.el8_10, kernel-0:5.14.0-284.182.1.el9_2, kernel-0:5.14.0-427.138.1.el9_4. Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
Recommended action
Primary action: update to a vendor-listed fixed release: kernel-0:6.12.0-55.89.1.el10_0, kernel-0:4.18.0-553.144.1.el8_10, kernel-0:5.14.0-284.182.1.el9_2, kernel-0:5.14.0-427.138.1.el9_4, kernel-0:4.18.0-305.198.1.el8_4, kernel-0:6.12.0-211.34.1.el10_2, kernel-rt-0:4.18.0-553.144.1.rt7.485.el8_10, kernel-0:4.18.0-477.154.1.el8_8, kernel-0:5.14.0-687.26.1.el9_8, kernel-0:5.14.0-570.128.1.el9_6, kernel-0:4.18.0-372.202.1.el8_6, RHBA-2026:41254.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- kernel-0:6.12.0-55.89.1.el10_0
- kernel-0:4.18.0-553.144.1.el8_10
- kernel-0:5.14.0-284.182.1.el9_2
- kernel-0:5.14.0-427.138.1.el9_4
- kernel-0:4.18.0-305.198.1.el8_4
- kernel-0:6.12.0-211.34.1.el10_2
- kernel-rt-0:4.18.0-553.144.1.rt7.485.el8_10
- kernel-0:4.18.0-477.154.1.el8_8
- kernel-0:5.14.0-687.26.1.el9_8
- kernel-0:5.14.0-570.128.1.el9_6
- kernel-0:4.18.0-372.202.1.el8_6
- RHBA-2026:41254
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: kernel-0:6.12.0-55.89.1.el10_0, kernel-0:4.18.0-553.144.1.el8_10, kernel-0:5.14.0-284.182.1.el9_2, kernel-0:5.14.0-427.138.1.el9_4, kernel-0:4.18.0-305.198.1.el8_4, kernel-0:6.12.0-211.34.1.el10_2. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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