CVE-2024-26955: Debian Linux

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submit_bh_wbc() Fix a bug where nilfs_get_block() returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previously fixed bug, then an unexpected race is occurring, so return a temporary error -EAGAIN instead. This prevents callers such as __block_write_begin_int() from requesting a read into a buffer that is not mapped, which would cause the BUG_ON check for the BH_Mapped flag in submit_bh_wbc() to fail.

Affected products

• Debian Debian Linux: version 10.0 only
• Linux Linux Kernel: from 2.6.30, before 4.19.312 (fixed in 4.19.312); from 4.20, before 5.4.274 (fixed in 5.4.274); from 5.5, before 5.10.215 (fixed in 5.10.215); from 5.11, before 5.15.154 (fixed in 5.15.154); from 5.16, before 6.1.84 (fixed in 6.1.84); from 6.2, before 6.6.24 (fixed in 6.6.24); …

Published 2024-05-01. Last modified 2026-06-17.