{"cve":"CVE-2022-48704","nvd":{"published":"2024-05-03T18:15:08.353","modified":"2026-06-17T05:15:58.177","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/radeon: add a force flush to delay work when radeon\n\nAlthough radeon card fence and wait for gpu to finish processing current batch rings,\nthere is still a corner case that radeon lockup work queue may not be fully flushed,\nand meanwhile the radeon_suspend_kms() function has called pci_set_power_state() to\nput device in D3hot state.\nPer PCI spec rev 4.0 on 5.3.1.4.1 D3hot State.\n> Configuration and Message requests are the only TLPs accepted by a Function in\n> the D3hot state. All other received Requests must be handled as Unsupported Requests,\n> and all received Completions may optionally be handled as Unexpected Completions.\nThis issue will happen in following logs:\nUnable to handle kernel paging request at virtual address 00008800e0008010\nCPU 0 kworker/0:3(131): Oops 0\npc = [<ffffffff811bea5c>]  ra = [<ffffffff81240844>]  ps = 0000 Tainted: G        W\npc is at si_gpu_check_soft_reset+0x3c/0x240\nra is at si_dma_is_lockup+0x34/0xd0\nv0 = 0000000000000000  t0 = fff08800e0008010  t1 = 0000000000010000\nt2 = 0000000000008010  t3 = fff00007e3c00000  t4 = fff00007e3c00258\nt5 = 000000000000ffff  t6 = 0000000000000001  t7 = fff00007ef078000\ns0 = fff00007e3c016e8  s1 = fff00007e3c00000  s2 = fff00007e3c00018\ns3 = fff00007e3c00000  s4 = fff00007fff59d80  s5 = 0000000000000000\ns6 = fff00007ef07bd98\na0 = fff00007e3c00000  a1 = fff00007e3c016e8  a2 = 0000000000000008\na3 = 0000000000000001  a4 = 8f5c28f5c28f5c29  a5 = ffffffff810f4338\nt8 = 0000000000000275  t9 = ffffffff809b66f8  t10 = ff6769c5d964b800\nt11= 000000000000b886  pv = ffffffff811bea20  at = 0000000000000000\ngp = ffffffff81d89690  sp = 00000000aa814126\nDisabling lock debugging due to kernel taint\nTrace:\n[<ffffffff81240844>] si_dma_is_lockup+0x34/0xd0\n[<ffffffff81119610>] radeon_fence_check_lockup+0xd0/0x290\n[<ffffffff80977010>] process_one_work+0x280/0x550\n[<ffffffff80977350>] worker_thread+0x70/0x7c0\n[<ffffffff80977410>] worker_thread+0x130/0x7c0\n[<ffffffff80982040>] kthread+0x200/0x210\n[<ffffffff809772e0>] worker_thread+0x0/0x7c0\n[<ffffffff80981f8c>] kthread+0x14c/0x210\n[<ffffffff80911658>] ret_from_kernel_thread+0x18/0x20\n[<ffffffff80981e40>] kthread+0x0/0x210\n Code: ad3e0008  43f0074a  ad7e0018  ad9e0020  8c3001e8  40230101\n <88210000> 4821ed21\nSo force lockup work queue flush to fix this problem.","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":[],"references":["https://git.kernel.org/stable/c/16cb367daa446923d82e332537f446a4cc784b40","https://git.kernel.org/stable/c/4e25e8f27fdbdc6fd55cc572a9939bf24500b9e8","https://git.kernel.org/stable/c/5a7a5b2edac4b05abd744eeaebda46d9dacd952d","https://git.kernel.org/stable/c/826b46fd5974113515abe9e4fc8178009a8ce18c","https://git.kernel.org/stable/c/b878da58df2c40b08914d3960e2224040fd1fbfe"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:49:23.840078609+00:00"},"epss":{"cve":"CVE-2022-48704","score":0.00238,"percentile":0.14948,"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."]}