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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2024-49900 Detail

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().


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-908 Use of Uninitialized Resource cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-49900
NVD Published Date:
10/21/2024
NVD Last Modified:
05/12/2026
Source:
kernel.org