CVE-2024-46857 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference16 documents7 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 93.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
LinuxLinux KernelDebian Linux+8 more
Timeline
PublishedSep 27
Latest updateJan 9

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix bridge mode operations when there are no VFs Currently, trying to set the bridge mode attribute when numvfs=0 leads to a crash: bridge link set dev eth2 hwmode vepa [ 168.967392] BUG: kernel NULL pointer dereference, address: 0000000000000030 [...] [ 168.969989] RIP: 0010:mlx5_add_flow_rules+0x1f/0x300 [mlx5_core] [...] [ 168.976037] Call Trace: [ 168.976188] [ 168.978620] _mlx5_eswitch_set_vepa_locked+0x113/0x…

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 Packages13 packages

▶NVDlinux/linux_kernel5.1 — 6.1.111+3
▶Debianlinux/linux_kernel< 6.1.112-1+2
▶Ubuntulinux/linux_kernel< 6.8.0-50.51

Patches

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

🔴Vulnerability Details

7
OSV
linux-azure, linux-azure-6.8 vulnerabilities↗2025-01-09
▶
OSV
linux-hwe-6.8 vulnerabilities↗2025-01-06
▶
OSV
linux-gkeop vulnerabilities↗2024-12-12
▶
OSV
linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities↗2024-12-12
▶
OSV
linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gke, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8, linux-oem-6.8, linux-oracle, linux-oracle-6.8, linux-raspi vulnerabilities↗2024-12-12
▶

📋Vendor Advisories

8
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel (GKE) vulnerabilities↗2024-12-12
▶
Ubuntu
Linux kernel (NVIDIA) vulnerabilities↗2024-12-12
▶
Ubuntu
Linux kernel vulnerabilities↗2024-12-12
▶