CVE-2024-49877NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV8.8OSV6.7OSV6.3OSV4.7
EPSS
0.0%
top 98.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 21
Latest updateAug 14

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages14 packages

Patches

🔴Vulnerability Details

35
OSV
linux-raspi-5.4 vulnerabilities2025-05-28
OSV
linux-raspi vulnerabilities2025-05-28
OSV
linux-azure-nvidia vulnerabilities2025-04-28
OSV
linux-iot vulnerabilities2025-04-03
OSV
linux-azure-6.8 vulnerabilities2025-04-01

📋Vendor Advisories

37
CISA ICS
Siemens Third-Party Components in SINEC OS2025-08-14
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2025-05-28
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2025-05-28
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities2025-04-28
Ubuntu
Linux kernel (IoT) vulnerabilities2025-04-03