CVE-2024-49900

HIGH EPSS 19.7%
Published Oct 21, 20241y ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Oct 21, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uninit-value access of new_ea in ea_buffer syzbot reports that lzo1x_1_do_compress is using uninit-value: ===================================================== BUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 ... Uninit was stored to memory at: ea_put fs/jfs/xattr.c:639 [inline] ... Local variable ea_buf created at: __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662 __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934 ===================================================== The reason is ea_buf->new_ea is not initialized properly. Fix this by using memset to empty its content at the beginning in ea_get().

CVSS Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
19.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-908

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel* <5.10.227
linuxlinux_kernel*≥5.11  –  <5.15.168
linuxlinux_kernel*≥5.16  –  <6.1.113
linuxlinux_kernel*≥6.2  –  <6.6.55
linuxlinux_kernel*≥6.7  –  <6.10.14
linuxlinux_kernel*≥6.11  –  <6.11.3

References 13

  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-265688.html
  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-355557.html
  • git.kernel.org https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7b24d41d47a6805c45378debf8bd115675d41da8
  • git.kernel.org https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dac398ed272a378d2f42ac68ae408333a51baf52
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d
    Patch