CVE-2024-49923 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference36 documents7 sources
Severity
5.5MEDIUMNVD
OSV8.8
EPSS
0.0%
top 98.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
LinuxLinux KernelDebian Linux+5 more
Timeline
PublishedOct 21
Latest updateApr 28

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Pass non-null to dcn20_validate_apply_pipe_split_flags [WHAT & HOW] "dcn20_validate_apply_pipe_split_flags" dereferences merge, and thus it cannot be a null pointer. Let's pass a valid pointer to avoid null dereference. This fixes 2 FORWARD_NULL issues reported by Coverity.

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 Packages10 packages

▶NVDlinux/linux_kernel6.11 — 6.11.3+1
▶Debianlinux/linux_kernel< 6.11.4-1+1
▶Ubuntulinux/linux_kernel< 6.8.0-54.56+1

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

17
OSV
linux-azure-nvidia vulnerabilities↗2025-04-28
▶
OSV
linux-azure-6.8 vulnerabilities↗2025-04-01
▶
OSV
linux-hwe-6.8 vulnerabilities↗2025-04-01
▶
OSV
linux-azure vulnerabilities↗2025-03-27
▶
OSV
linux-oem-6.8 vulnerabilities↗2025-03-27
▶

📋Vendor Advisories

18
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2025-04-28
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-04-01
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2025-04-01
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2025-03-27
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-03-27
▶
CVE-2024-49923 — NULL Pointer Dereference in Linux | cvebase