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CVE-2024-49900 Details

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().

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CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

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

see all 13 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-908	Use of Uninitialized Resource	[email protected]

Affected Products

Product	Versions
linux linux kernel	< 5.10.227 >= 5.11, < 5.15.168 >= 5.16, < 6.1.113 >= 6.2, < 6.6.55 >= 6.7, < 6.10.14
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	siemens-SADP
Jun 17, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	CISA-ADP
May 12, 2026	CVE Modified	siemens-SADP
Nov 3, 2025	CVE Modified	CVE
Nov 3, 2025	CVE Modified	CVE
Nov 8, 2024	CVE Modified	kernel.org
Oct 25, 2024	Initial Analysis	[email protected]
Oct 21, 2024	New CVE Received	kernel.org