CVE-2024-49877

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate

When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 6c150df9c2e80b5cf86f5a0d98beb7390ad63bfc, < 190d98bcd61117a78fe185222d162180f061a6ca; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < e68c8323355e8cedfbe0bec7d5a39009f61640b6; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < 61b84013e560382cbe7dd56758be3154d43a3988; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < df944dc46d06af65a75191183d52be017e6b9dbe; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < 01cb2e751cc61ade454c9bc1aaa2eac1f8197112; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < d52c5652e7dcb7a0648bbb8642cc3e617070ab49; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < 46b1edf0536a5291a8ad2337f88c926214b209d9; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < 4846e72ab5a0726e49ad4188b9d9df091ae78c64; >= cf76c78595ca87548ca5e45c862ac9e0949c4687, < 33b525cef4cff49e216e4133cc48452e11c0391e; 01f93d5e36753fc4d06ec67f05ce78c9c6f2dd56; 65cbd1279f4b999d56a838344a30642db24cd215; 97e1db17bc1ef4c2e1789bc9323c7be44fba53f8; >= 4.19.87, < 4.19.323; >= 4.4.204, < 4.5; >= 4.9.204, < 4.10; >= 4.14.157, < 4.15
LinuxLinux4.20

References

Timeline

Published
Oct 21, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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