{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93809","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-18T17:59:28.790Z","datePublished":"2026-09-24T16:02:44.613Z","dateUpdated":"2026-09-25T12:43:17.218Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-25T12:43:17.218Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: flush pending RCU callbacks on module unload\n\nCall rcu_barrier() in module exit to wait for outstanding call_rcu() callbacks\nbefore freeing module text, preventing late callback execution in freed memory.\n\nBUG: unable to handle page fault for address: ffffffffc1d59c40\nPGD 6a12067 P4D 6a12067 PUD 6a14067 PMD 13698b067 PTE 0\nOops: 0010 [#1] SMP NOPTI\nRIP: 0010:0xffffffffc1d59c40\nCode: Unable to access opcode bytes at RIP 0xffffffffc1d59c16.\nRSP: 0018:ffffc900198c0f28 EFLAGS: 00010286\nRAX: ffffffffc1d59c40 RBX: ffff897c7d6b61c0 RCX: ffff88826aff4590\nRDX: ffff8884d8b35490 RSI: ffffc900198c0f30 RDI: ffff88812af67290\nRBP: 000000000000000a (DONE segment entries) R08: 0000000000000000 R09: 0000000000000100\nR10: 0000000000000000 R11: ffffffff82a06100 R12: ffff88811a4e3700\nR13: 0000000000000000 R14: ffff897c7d6b6270 R15: 0000000000000000\nFS:  0000000000000000(0000) GS:ffff897c7d680000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffffffc1d59c16 CR3: 00000104a980a001 CR4: 0000000002770ee0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <IRQ>\n ? rcu_do_batch+0x163/0x450\n ? rcu_core+0x177/0x1c0\n ? __do_softirq+0xc1/0x280\n ? asm_call_irq_on_stack+0xf/0x20\n </IRQ>\n ? do_softirq_own_stack+0x37/0x50\n ? irq_exit_rcu+0xc4/0x100\n ? sysvec_apic_timer_interrupt+0x36/0x80\n ? asm_sysvec_apic_timer_interrupt+0x12/0x20\n ? cpuidle_enter_state+0xd4/0x360\n ? cpuidle_enter+0x29/0x40\n ? cpuidle_idle_call+0x108/0x1a0\n ? do_idle+0x77/0xf0\n ? cpu_startup_entry+0x19/0x20\n ? secondary_startup_64_no_verify+0xbf/0xcb\n\n(cherry picked from commit feaa5039f6c12acc9aa934c2d45dcd251a12c69f)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c"],"versions":[{"version":"4e02e0afa95f691dc7cc17538cdd648089a843f0","lessThan":"67a654b41cfa73c3b83402c4a01b2689cad5b9bc","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c"],"versions":[{"version":"7.1","status":"affected"},{"version":"0","lessThan":"7.1","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/67a654b41cfa73c3b83402c4a01b2689cad5b9bc"}],"title":"drm/amdgpu: flush pending RCU callbacks on module unload","x_generator":{"engine":"bippy-1.2.0"}}}}