{"cve":"CVE-2025-71293","nvd":{"published":"2026-05-06T12:16:28.583","modified":"2026-10-14T13:10:00.187","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu/ras: Move ras data alloc before bad page check\n\nIn the rare event if eeprom has only invalid address entries,\nallocation is skipped, this causes following NULL pointer issue\n[  547.103445] BUG: kernel NULL pointer dereference, address: 0000000000000010\n[  547.118897] #PF: supervisor read access in kernel mode\n[  547.130292] #PF: error_code(0x0000) - not-present page\n[  547.141689] PGD 124757067 P4D 0\n[  547.148842] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[  547.158504] CPU: 49 PID: 8167 Comm: cat Tainted: G           OE      6.8.0-38-generic #38-Ubuntu\n[  547.177998] Hardware name: Supermicro AS -8126GS-TNMR/H14DSG-OD, BIOS 1.7 09/12/2025\n[  547.195178] RIP: 0010:amdgpu_ras_sysfs_badpages_read+0x2f2/0x5d0 [amdgpu]\n[  547.210375] Code: e8 63 78 82 c0 45 31 d2 45 3b 75 08 48 8b 45 a0 73 44 44 89 f1 48 8b 7d 88 48 89 ca 48 c1 e2 05 48 29 ca 49 8b 4d 00 48 01 d1 <48> 83 79 10 00 74 17 49 63 f2 48 8b 49 08 41 83 c2 01 48 8d 34 76\n[  547.252045] RSP: 0018:ffa0000067287ac0 EFLAGS: 00010246\n[  547.263636] RAX: ff11000167c28130 RBX: ff11000127600000 RCX: 0000000000000000\n[  547.279467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000125b1c800\n[  547.295298] RBP: ffa0000067287b50 R08: 0000000000000000 R09: 0000000000000000\n[  547.311129] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\n[  547.326959] R13: ff11000217b1de00 R14: 0000000000000000 R15: 0000000000000092\n[  547.342790] FS:  0000746e59d14740(0000) GS:ff11017dfda80000(0000) knlGS:0000000000000000\n[  547.360744] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[  547.373489] CR2: 0000000000000010 CR3: 000000019585e001 CR4: 0000000000f71ef0\n[  547.389321] PKRU: 55555554\n[  547.395316] Call Trace:\n[  547.400737]  <TASK>\n[  547.405386]  ? show_regs+0x6d/0x80\n[  547.412929]  ? __die+0x24/0x80\n[  547.419697]  ? page_fault_oops+0x99/0x1b0\n[  547.428588]  ? do_user_addr_fault+0x2ee/0x6b0\n[  547.438249]  ? exc_page_fault+0x83/0x1b0\n[  547.446949]  ? asm_exc_page_fault+0x27/0x30\n[  547.456225]  ? amdgpu_ras_sysfs_badpages_read+0x2f2/0x5d0 [amdgpu]\n[  547.470040]  ? mas_wr_modify+0xcd/0x140\n[  547.478548]  sysfs_kf_bin_read+0x63/0xb0\n[  547.487248]  kernfs_file_read_iter+0xa1/0x190\n[  547.496909]  kernfs_fop_read_iter+0x25/0x40\n[  547.506182]  vfs_read+0x255/0x390\n\nThis also result in space left assigned to negative values.\nMoving data alloc call before bad page check resolves both the issue.","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/0b7f78caeffa51a1afa521c284e863ec3b5a36df","https://git.kernel.org/stable/c/5c685235b60459381e959109b416a63db4d8dbac","https://git.kernel.org/stable/c/bd68a1404b6fa2e7e9957b38ba22616faba43e75"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2025-71293","score":0.00126,"percentile":0.02286,"date":"2026-10-25"},"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."]}