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Out-of-bounds Read Affecting reiserfs-kmp-default package, versions <4.12.14-25.3.1

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.23% (61st percentile)

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  • Snyk IDSNYK-SLES150-REISERFSKMPDEFAULT-2763020
  • published14 Apr 2022
  • disclosed27 Jul 2018
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Introduced: 27 Jul 2018

CVE-2018-1093  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 reiserfs-kmp-default to version 4.12.14-25.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream reiserfs-kmp-default package and not the reiserfs-kmp-default package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

The ext4_valid_block_bitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service (out-of-bounds read and system crash) via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers.

References