CVE-2024-49877
Published: October 23, 2024Last modified: October 23, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.114-r0) |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112
- https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca
- https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e
- https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9
- https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64
- https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988
- https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49
- https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbe
- https://git.kernel.org/stable/c/e68c8323355e8cedfbe0bec7d5a39009f61640b6