# CVE-2022-49335: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/amdgpu/cs: make commands with 0 chunks illeg...

CVE-2022-49335 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49335, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-49335
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2025

## 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

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.18.5-1 | [DEBIAN-CVE-2022-49335](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49335.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.18.5-1 | [DEBIAN-CVE-2022-49335](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49335.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.18.5-1 | [DEBIAN-CVE-2022-49335](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49335.md) | Feb 26, 2025 |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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