CVE-2024-49877
Linux Kernel Ocfs2 Null Pointer Dereference Vulnerability
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.
INFO
Published Date :
Oct. 21, 2024, 6:15 p.m.
Last Modified :
Nov. 8, 2024, 4:15 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-49877.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-49877 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-49877 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Nov. 08, 2024
Action Type Old Value New Value Added Reference kernel.org https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e68c8323355e8cedfbe0bec7d5a39009f61640b6 [No types assigned] -
Initial Analysis by [email protected]
Oct. 24, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112 No Types Assigned https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112 Patch Changed Reference Type https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e No Types Assigned https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e Patch Changed Reference Type https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9 No Types Assigned https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9 Patch Changed Reference Type https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64 No Types Assigned https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64 Patch Changed Reference Type https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988 No Types Assigned https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988 Patch Changed Reference Type https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49 No Types Assigned https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49 Patch Changed Reference Type https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbe No Types Assigned https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbe Patch Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:4.4.204:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.9.204:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.14.157:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:4.19.87:*:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.10.227 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.168 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.113 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.55 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.10.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.11 up to (excluding) 6.11.3 -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 21, 2024
Action Type Old Value New Value Added 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. Added Reference kernel.org https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbe [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-49877 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-49877
weaknesses.