{"id":"CVE-2022-48990","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-48990","generatedAt":"2026-10-27T19:39:15.935Z","title":"In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix use-after-free during gpu recovery [Why] [ 754.862560] refcount_t: underflow; use-after-free. [ 754.862898] Call Trace: [ 754.862903] <TASK> [ 754.862913]…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix use-after-free during gpu recovery\n\n[Why]\n    [  754.862560] refcount_t: underflow; use-after-free.\n    [  754.862898] Call Trace:\n    [  754.862903]  <TASK>\n    [  754.862913]  amdgpu_job_free_cb+0xc2/0xe1 [amdgpu]\n    [  754.863543]  drm_sched_main.cold+0x34/0x39 [amd_sched]\n\n[How]\n    The fw_fence may be not init, check whether dma_fence_init\n    is performed before job free","published":"2024-10-21T20:15:11.000Z","lastModified":"2026-08-04T10:17:30.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["linux/linux kernel"],"epss":{"score":0.00257,"percentile":0.17252,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/3cb93f390453cde4d6afda1587aaa00e75e09617","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d2a89cd942edd50c1e652004fd64019be78b0a96","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-48990","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}