UnratedFix available
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.323, 5.10.227, 5.15.168, 5.4.285, 6.1.113, 6.10.14, 6.11.3, 6.6.55
- CVEs
- CVE-2024-49877
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 11:02 UTC · Revision 1
Source evidence
ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate
core-osv · Original sourcePublished 21 Oct 2024, 18:01 UTC
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.
osv:CVE-2024-49877
Kernel
Fixed versions: 4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.113, 6.6.55, 6.10.14, 6.11.3
Complete source record
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"method": "structured",
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"kind": "advisory",
"title": "ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate",
"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.",
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"modified": "2026-10-28T02:30:43.828503783Z",
"provider": "osv",
"references": [
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"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
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"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49877.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-49877",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"source_id": "core-osv",
"document_id": 511682,
"published_at": "2024-10-21T18:01:16.788+00:00"
}