CVE-2024-49877
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 4.19.323, 4.5, 4.10, 4.15
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 4.19.87 · fixed in 4.19.323; From 4.4.204 · fixed in 4.5; From 4.9.204 · fixed in 4.10; From 4.14.157 · fixed in 4.15
- Linux Linux
4.20
References 9
git.kernel.org
- stable/c/190d98bcd61117a78fe185222d162180f061a6ca
- stable/c/e68c8323355e8cedfbe0bec7d5a39009f61640b6
- stable/c/61b84013e560382cbe7dd56758be3154d43a3988
- stable/c/df944dc46d06af65a75191183d52be017e6b9dbe
- stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112
- stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49
- stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9
- stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64
- stable/c/33b525cef4cff49e216e4133cc48452e11c0391e