VDB

DEBIAN-CVE-2023-52810

DEBIAN-CVE-2023-52810 PUBLISHED CVSS 7.800000190734863 HIGH

In the Linux kernel, the following vulnerability has been resolved: fs/jfs: Add check for negative db_l2nbperpage l2nbperpage is log2(number of blks per page), and the minimum legal value should be 0, not negative. In the case of l2nbperpage being negative, an error will occur when subsequently used as shift exponent. Syzbot reported this bug: UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:799:12 shift exponent -16777216 is negative

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:13linux0
Debian:12linux0, 6.1.27-1, 6.1.37-1
Debian:14linux0

Timeline

  • May 21, 2024 CVE Published
  • Oct 26, 2026 CVE Updated
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