CVE-2024-26833

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix memory leak in dm_sw_fini() After destroying dmub_srv, the memory associated with it is not freed, causing a memory leak: unreferenced object 0xffff896302b45800 (size 1024): comm "(udev-worker)", pid 222, jiffies 4294894636 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 6265fd77): [<ffffffff993495ed>] kmalloc_trace+0x29d/0x340 [<ffffffffc0ea4a94>] dm_dmub_sw_init+0xb4/0x450 [amdgpu] [<ffffffffc0ea4e55>] dm_sw_init+0x15/0x2b0 [amdgpu] [<ffffffffc0ba8557>] amdgpu_device_init+0x1417/0x24e0 [amdgpu] [<ffffffffc0bab285>] amdgpu_driver_load_kms+0x15/0x190 [amdgpu] [<ffffffffc0ba09c7>] amdgpu_pci_probe+0x187/0x4e0 [amdgpu] [<ffffffff9968fd1e>] local_pci_probe+0x3e/0x90 [<ffffffff996918a3>] pci_device_probe+0xc3/0x230 [<ffffffff99805872>] really_probe+0xe2/0x480 [<ffffffff99805c98>] __driver_probe_device+0x78/0x160 [<ffffffff99805daf>] driver_probe_device+0x1f/0x90 [<ffffffff9980601e>] __driver_attach+0xce/0x1c0 [<ffffffff99803170>] bus_for_each_dev+0x70/0xc0 [<ffffffff99804822>] bus_add_driver+0x112/0x210 [<ffffffff99807245>] driver_register+0x55/0x100 [<ffffffff990012d1>] do_one_initcall+0x41/0x300 Fix this by freeing dmub_srv after destroying it.

Package Linux Kernel
Published 2024-04-17
Last modified 2025-01-07
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

5.5

out of 10
Medium
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-401

CVE-2024-26833 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.6 and later are affected. Fixed in 5.10.211, 5.15.150, 6.1.80, 6.6.19, 6.7.7, 6.8 and their respective stable series.

Affected from
≥ 5.6
Fixed in
✓ 5.10.211 5.10.x ✓ 5.15.150 5.15.x ✓ 6.1.80 6.1.x ✓ 6.6.19 6.6.x ✓ 6.7.7 6.7.x ✓ 6.8

Frequently asked questions

  • What is CVE-2024-26833?

    CVE-2024-26833 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 5.6 onward and has been patched in 5.10.211, 5.15.150, 6.1.80 and others. CVE-2024-26833 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2024-26833?

    CVE-2024-26833 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2024-26833?

    Yes. CVE-2024-26833 has been patched. Fixed versions include 5.10.211, 5.15.150, 6.1.80 and others. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2024-26833 actively exploited?

    No. CVE-2024-26833 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.