CVE - CVE-2024-49900

CVE-ID
CVE-2024-49900	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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().
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c URL:https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c MISC:https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e URL:https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e MISC:https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73 URL:https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73 MISC:https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af URL:https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af MISC:https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc URL:https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc MISC:https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64 URL:https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64 MISC:https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d URL:https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d
Assigning CNA
kernel.org
Date Record Created
20241021	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241021)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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