{"cve":"CVE-2022-49335","nvd":{"published":"2025-02-26T07:01:10.270","modified":"2026-06-17T05:17:45.130","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/cs: make commands with 0 chunks illegal behaviour.\n\nSubmitting a cs with 0 chunks, causes an oops later, found trying\nto execute the wrong userspace driver.\n\nMESA_LOADER_DRIVER_OVERRIDE=v3d glxinfo\n\n[172536.665184] BUG: kernel NULL pointer dereference, address: 00000000000001d8\n[172536.665188] #PF: supervisor read access in kernel mode\n[172536.665189] #PF: error_code(0x0000) - not-present page\n[172536.665191] PGD 6712a0067 P4D 6712a0067 PUD 5af9ff067 PMD 0\n[172536.665195] Oops: 0000 [#1] SMP NOPTI\n[172536.665197] CPU: 7 PID: 2769838 Comm: glxinfo Tainted: P           O      5.10.81 #1-NixOS\n[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\n[172536.665272] RIP: 0010:amdgpu_cs_ioctl+0x96/0x1ce0 [amdgpu]\n[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\n[172536.665276] RSP: 0018:ffffb47c0e81bbe0 EFLAGS: 00010246\n[172536.665277] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n[172536.665278] RDX: 0000000000000000 RSI: ffffb47c0e81be28 RDI: ffffb47c0e81bd68\n[172536.665279] RBP: ffff936524080010 R08: 0000000000000000 R09: ffffb47c0e81be38\n[172536.665281] R10: ffff936524080010 R11: ffff936524080000 R12: ffffb47c0e81bc40\n[172536.665282] R13: ffffb47c0e81be28 R14: ffff9367bc410000 R15: ffffb47c0e81be28\n[172536.665283] FS:  00007fe35e05d740(0000) GS:ffff936c1edc0000(0000) knlGS:0000000000000000\n[172536.665284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[172536.665286] CR2: 00000000000001d8 CR3: 0000000532e46000 CR4: 00000000000406e0\n[172536.665287] Call Trace:\n[172536.665322]  ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu]\n[172536.665332]  drm_ioctl_kernel+0xaa/0xf0 [drm]\n[172536.665338]  drm_ioctl+0x201/0x3b0 [drm]\n[172536.665369]  ? amdgpu_cs_find_mapping+0x110/0x110 [amdgpu]\n[172536.665372]  ? selinux_file_ioctl+0x135/0x230\n[172536.665399]  amdgpu_drm_ioctl+0x49/0x80 [amdgpu]\n[172536.665403]  __x64_sys_ioctl+0x83/0xb0\n[172536.665406]  do_syscall_64+0x33/0x40\n[172536.665409]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\n\nBug: https://gitlab.freedesktop.org/drm/amd/-/issues/2018","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/15c3bcc9b5349d40207e5f8d4d799b8b4b7d13b8","https://git.kernel.org/stable/c/20b947e5a3c74c5084d661c097517a554989d462","https://git.kernel.org/stable/c/31ab27b14daaa75541a415c6794d6f3567fea44a","https://git.kernel.org/stable/c/70276460e914d560e96bfc208695a872fe9469c9","https://git.kernel.org/stable/c/7086a23890d255bb5761604e39174b20d06231a4"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49335","score":0.00278,"percentile":0.20313,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}