CVE-2022-49335

MEDIUM EPSS 16.8%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour. Submitting a cs with 0 chunks, causes an oops later, found trying to execute the wrong userspace driver. MESA_LOADER_DRIVER_OVERRIDE=v3d glxinfo [172536.665184] BUG: kernel NULL pointer dereference, address: 00000000000001d8 [172536.665188] #PF: supervisor read access in kernel mode [172536.665189] #PF: error_code(0x0000) - not-present page [172536.665191] PGD 6712a0067 P4D 6712a0067 PUD 5af9ff067 PMD 0 [172536.665195] Oops: 0000 [#1] SMP NOPTI [172536.665197] CPU: 7 PID: 2769838 Comm: glxinfo Tainted: P O 5.10.81 #1-NixOS [172536.665199] Hardware name: To be filled by O.E.M. To be filled by O.E.M./CROSSHAIR V FORMULA-Z, BIOS 2201 03/23/2015 [172536.665272] RIP: 0010:amdgpu_cs_ioctl+0x96/0x1ce0 [amdgpu] [172536.665274] Code: 75 18 00 00 4c 8b b2 88 00 00 00 8b 46 08 48 89 54 24 68 49 89 f7 4c 89 5c 24 60 31 d2 4c 89 74 24 30 85 c0 0f 85 c0 01 00 00 <48> 83 ba d8 01 00 00 00 48 8b b4 24 90 00 00 00 74 16 48 8b 46 10 [172536.665276] RSP: 0018:ffffb47c0e81bbe0 EFLAGS: 00010246 [172536.665277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [172536.665278] RDX: 0000000000000000 RSI: ffffb47c0e81be28 RDI: ffffb47c0e81bd68 [172536.665279] RBP: ffff936524080010 R08: 0000000000000000 R09: ffffb47c0e81be38 [172536.665281] R10: ffff936524080010 R11: ffff936524080000 R12: ffffb47c0e81bc40 [172536.665282] R13: ffffb47c0e81be28 R14: ffff9367bc410000 R15: ffffb47c0e81be28 [172536.665283] FS: 00007fe35e05d740(0000) GS:ffff936c1edc0000(0000) knlGS:0000000000000000 [172536.665284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [172536.665286] CR2: 00000000000001d8 CR3: 0000000532e46000 CR4: 00000000000406e0 [172536.665287] Call Trace: [172536.665322] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665332] drm_ioctl_kernel+0xaa/0xf0 [drm] [172536.665338] drm_ioctl+0x201/0x3b0 [drm] [172536.665369] ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu] [172536.665372] ? selinux_file_ioctl+0x135/0x230 [172536.665399] amdgpu_drm_ioctl+0x49/0x80 [amdgpu] [172536.665403] __x64_sys_ioctl+0x83/0xb0 [172536.665406] do_syscall_64+0x33/0x40 [172536.665409] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2018

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
16.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel* <4.9.318
linuxlinux_kernel*≥4.10  –  <4.14.283
linuxlinux_kernel*≥4.15  –  <4.19.247
linuxlinux_kernel*≥4.20  –  <5.4.198
linuxlinux_kernel*≥5.5  –  <5.10.121
linuxlinux_kernel*≥5.11  –  <5.15.46
linuxlinux_kernel*≥5.16  –  <5.17.14
linuxlinux_kernel*≥5.18  –  <5.18.3

References 9

  • git.kernel.org https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8189f44270db1be78169e11eec51a3eeb980bc63
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/aa25acbe96692e4bf8482311c293f72d8c6034c0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/be585921f29df5422a39c952d188b418ad48ffab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c12984cdb077b9042d2dc20ca18cb16a87bcc774
    Patch