{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-49723", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49723", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-02-26T02:24:36.049Z", "updatedAt": "2026-05-11T19:05:36.280Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "drm/i915/reset: Fix error_state_read ptr + offset use", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/i915/reset: Fix error_state_read ptr + offset use\n\nFix our pointer offset usage in error_state_read\nwhen there is no i915_gpu_coredump but buf offset\nis non-zero.\n\nThis fixes a kernel page fault can happen when\nmultiple tests are running concurrently in a loop\nand one is producing engine resets and consuming\nthe i915 error_state dump while the other is\nforcing full GT resets. (takes a while to trigger).\n\nThe dmesg call trace:\n\n[ 5590.803000] BUG: unable to handle page fault for address:\n ffffffffa0b0e000\n[ 5590.803009] #PF: supervisor read access in kernel mode\n[ 5590.803013] #PF: error_code(0x0000) - not-present page\n[ 5590.803016] PGD 5814067 P4D 5814067 PUD 5815063 PMD 109de4067\n PTE 0\n[ 5590.803022] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[ 5590.803026] CPU: 5 PID: 13656 Comm: i915_hangman Tainted: G U\n 5.17.0-rc5-ups69-guc-err-capt-rev6+ #136\n[ 5590.803033] Hardware name: Intel Corporation Alder Lake Client\n Platform/AlderLake-M LP4x RVP, BIOS ADLPFWI1.R00.\n 3031.A02.2201171222\t01/17/2022\n[ 5590.803039] RIP: 0010:memcpy_erms+0x6/0x10\n[ 5590.803045] Code: fe ff ff cc eb 1e 0f 1f 00 48 89 f8 48 89 d1\n 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3\n 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4\n c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20\n 72 7e 40 38 fe\n[ 5590.803054] RSP: 0018:ffffc90003a8fdf0 EFLAGS: 00010282\n[ 5590.803057] RAX: ffff888107ee9000 RBX: ffff888108cb1a00\n RCX: 0000000000000f8f\n[ 5590.803061] RDX: 0000000000001000 RSI: ffffffffa0b0e000\n RDI: ffff888107ee9071\n[ 5590.803065] RBP: 0000000000000000 R08: 0000000000000001\n R09: 0000000000000001\n[ 5590.803069] R10: 0000000000000001 R11: 0000000000000002\n R12: 0000000000000019\n[ 5590.803073] R13: 0000000000174fff R14: 0000000000001000\n R15: ffff888107ee9000\n[ 5590.803077] FS: 00007f62a99bee80(0000) GS:ffff88849f880000(0000)\n knlGS:0000000000000000\n[ 5590.803082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 5590.803085] CR2: ffffffffa0b0e000 CR3: 000000010a1a8004\n CR4: 0000000000770ee0\n[ 5590.803089] PKRU: 55555554\n[ 5590.803091] Call Trace:\n[ 5590.803093] \n[ 5590.803096] error_state_read+0xa1/0xd0 [i915]\n[ 5590.803175] kernfs_fop_read_iter+0xb2/0x1b0\n[ 5590.803180] new_sync_read+0x116/0x1a0\n[ 5590.803185] vfs_read+0x114/0x1b0\n[ 5590.803189] ksys_read+0x63/0xe0\n[ 5590.803193] do_syscall_64+0x38/0xc0\n[ 5590.803197] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 5590.803201] RIP: 0033:0x7f62aaea5912\n[ 5590.803204] Code: c0 e9 b2 fe ff ff 50 48 8d 3d 5a b9 0c 00 e8 05\n 19 02 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25\n 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff\n ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24\n[ 5590.803213] RSP: 002b:00007fff5b659ae8 EFLAGS: 00000246\n ORIG_RAX: 0000000000000000\n[ 5590.803218] RAX: ffffffffffffffda RBX: 0000000000100000\n RCX: 00007f62aaea5912\n[ 5590.803221] RDX: 000000000008b000 RSI: 00007f62a8c4000f\n RDI: 0000000000000006\n[ 5590.803225] RBP: 00007f62a8bcb00f R08: 0000000000200010\n R09: 0000000000101000\n[ 5590.803229] R10: 0000000000000001 R11: 0000000000000246\n R12: 0000000000000006\n[ 5590.803233] R13: 0000000000075000 R14: 00007f62a8acb010\n R15: 0000000000200000\n[ 5590.803238] \n[ 5590.803240] Modules linked in: i915 ttm drm_buddy drm_dp_helper\n drm_kms_helper syscopyarea sysfillrect sysimgblt\n fb_sys_fops prime_numbers nfnetlink br_netfilter\n overlay mei_pxp mei_hdcp x86_pkg_temp_thermal\n coretemp kvm_intel snd_hda_codec_hdmi snd_hda_intel\n \n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "0e39037b3165567660b0e03f67534da5269a0465", "status": "affected", "versionType": "git", "lessThan": "63b26fe0252f923e6aca373e3ad4b31202dcd331" }, { "version": "0e39037b3165567660b0e03f67534da5269a0465", "status": "affected", "versionType": "git", "lessThan": "f4c5eba87675a07a6c28cdaca7366aeb4258ec78" }, { "version": "0e39037b3165567660b0e03f67534da5269a0465", "status": "affected", "versionType": "git", "lessThan": "606e5d565605e26bf61a0933a6d56940f339c080" }, { "version": "0e39037b3165567660b0e03f67534da5269a0465", "status": "affected", "versionType": "git", "lessThan": "c9b576d0c7bf55aeae1a736da7974fa202c4394d" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.0", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.0" }, { "version": "5.10.124", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.49", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.18.6", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.18.*" }, { "version": "5.19", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }