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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/01cb2e751cc61ade454c9bc1aaa2eac1f8197112 cve-icon cve-icon
https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca cve-icon cve-icon
https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e cve-icon cve-icon
https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9 cve-icon cve-icon
https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64 cve-icon cve-icon
https://git.kernel.org/stable/c/61b84013e560382cbe7dd56758be3154d43a3988 cve-icon cve-icon
https://git.kernel.org/stable/c/d52c5652e7dcb7a0648bbb8642cc3e617070ab49 cve-icon cve-icon
https://git.kernel.org/stable/c/df944dc46d06af65a75191183d52be017e6b9dbe cve-icon cve-icon
https://git.kernel.org/stable/c/e68c8323355e8cedfbe0bec7d5a39009f61640b6 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024102115-CVE-2024-49877-038a@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2024-49877 cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-49877 cve-icon
History

Fri, 08 Nov 2024 16:00:00 +0000

Type Values Removed Values Added
References

Thu, 24 Oct 2024 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
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:4.4.204:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.9.204:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Tue, 22 Oct 2024 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 22 Oct 2024 13:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Mon, 21 Oct 2024 18:15:00 +0000

Type Values Removed Values 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.
Title ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-10-21T18:01:16.788Z

Updated: 2024-11-08T15:56:52.985Z

Reserved: 2024-10-21T12:17:06.021Z

Link: CVE-2024-49877

cve-icon Vulnrichment

Updated: 2024-10-22T13:46:12.805Z

cve-icon NVD

Status : Modified

Published: 2024-10-21T18:15:09.657

Modified: 2024-11-08T16:15:29.500

Link: CVE-2024-49877

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-10-21T00:00:00Z

Links: CVE-2024-49877 - Bugzilla