CVEvulnerability
CVE-2024-26833
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-04-17
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
Description
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.
Affected configurations
• linux linux kernel (>= 5.6 < 5.10.211)
• linux linux kernel (>= 5.11 < 5.15.150)
• linux linux kernel (>= 5.16 < 6.1.80)
• linux linux kernel (>= 6.2 < 6.6.19)
• linux linux kernel (>= 6.7 < 6.7.7)
• linux linux kernel 6.8
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2 Patch
- https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e Patch
- https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b Patch
- https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30 Patch
- https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857 Patch
- https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3 Patch
- https://git.kernel.org/stable/c/10c6b90e975358c17856a578419dc449887899c2 Patch
- https://git.kernel.org/stable/c/33f649f1b1cea39ed360e6c12bba4fac83118e6e Patch
- https://git.kernel.org/stable/c/541e79265ea7e339a7c4a462feafe9f8f996e04b Patch
- https://git.kernel.org/stable/c/58168005337eabef345a872be3f87d0215ff3b30 Patch
- https://git.kernel.org/stable/c/b49b022f7dfce85eb77d0d987008fde5c01d7857 Patch
- https://git.kernel.org/stable/c/bae67893578d608e35691dcdfa90c4957debf1d3 Patch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html Patch