CVE-2024-53120

MEDIUM EPSS 14.4%
Published Dec 2, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Dec 2, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: CT: Fix null-ptr-deref in add rule err flow In error flow of mlx5_tc_ct_entry_add_rule(), in case ct_rule_add() callback returns error, zone_rule->attr is used uninitiated. Fix it to use attr which has the needed pointer value. Kernel log: BUG: kernel NULL pointer dereference, address: 0000000000000110 RIP: 0010:mlx5_tc_ct_entry_add_rule+0x2b1/0x2f0 [mlx5_core] … Call Trace: <TASK> ? __die+0x20/0x70 ? page_fault_oops+0x150/0x3e0 ? exc_page_fault+0x74/0x140 ? asm_exc_page_fault+0x22/0x30 ? mlx5_tc_ct_entry_add_rule+0x2b1/0x2f0 [mlx5_core] ? mlx5_tc_ct_entry_add_rule+0x1d5/0x2f0 [mlx5_core] mlx5_tc_ct_block_flow_offload+0xc6a/0xf90 [mlx5_core] ? nf_flow_offload_tuple+0xd8/0x190 [nf_flow_table] nf_flow_offload_tuple+0xd8/0x190 [nf_flow_table] flow_offload_work_handler+0x142/0x320 [nf_flow_table] ? finish_task_switch.isra.0+0x15b/0x2b0 process_one_work+0x16c/0x320 worker_thread+0x28c/0x3a0 ? __pfx_worker_thread+0x10/0x10 kthread+0xb8/0xf0 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2d/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK>

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
14.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.14  –  <6.1.119
linuxlinux_kernel*≥6.2  –  <6.6.63
linuxlinux_kernel*≥6.7  –  <6.11.10
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any
linuxlinux_kernel6.12any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/06dc488a593020bd2f006798557d2a32104d8359
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0c7c70ff8b696cfedba350411dca736361ef9a0f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6030f8bd7902e9e276a0edc09bf11979e4e2bc2e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/882f392d9e3649557e71efd78ae20c86039ffb7c
  • git.kernel.org https://git.kernel.org/stable/c/e99c6873229fe0482e7ceb7d5600e32d623ed9d9
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/06dc488a593020bd2f006798557d2a32104d8359
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0c7c70ff8b696cfedba350411dca736361ef9a0f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6030f8bd7902e9e276a0edc09bf11979e4e2bc2e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e99c6873229fe0482e7ceb7d5600e32d623ed9d9
    Patch