{ "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-2022-49062", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49062", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-02-26T01:54:31.788Z", "updatedAt": "2026-08-05T08:53:41.182Z", "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": "cachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: Fix KASAN slab-out-of-bounds in cachefiles_set_volume_xattr\n\nUse the actual length of volume coherency data when setting the\nxattr to avoid the following KASAN report.\n\n BUG: KASAN: slab-out-of-bounds in cachefiles_set_volume_xattr+0xa0/0x350 [cachefiles]\n Write of size 4 at addr ffff888101e02af4 by task kworker/6:0/1347\n\n CPU: 6 PID: 1347 Comm: kworker/6:0 Kdump: loaded Not tainted 5.18.0-rc1-nfs-fscache-netfs+ #13\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-4.fc34 04/01/2014\n Workqueue: events fscache_create_volume_work [fscache]\n Call Trace:\n \n dump_stack_lvl+0x45/0x5a\n print_report.cold+0x5e/0x5db\n ? __lock_text_start+0x8/0x8\n ? cachefiles_set_volume_xattr+0xa0/0x350 [cachefiles]\n kasan_report+0xab/0x120\n ? cachefiles_set_volume_xattr+0xa0/0x350 [cachefiles]\n kasan_check_range+0xf5/0x1d0\n memcpy+0x39/0x60\n cachefiles_set_volume_xattr+0xa0/0x350 [cachefiles]\n cachefiles_acquire_volume+0x2be/0x500 [cachefiles]\n ? __cachefiles_free_volume+0x90/0x90 [cachefiles]\n fscache_create_volume_work+0x68/0x160 [fscache]\n process_one_work+0x3b7/0x6a0\n worker_thread+0x2c4/0x650\n ? process_one_work+0x6a0/0x6a0\n kthread+0x16c/0x1a0\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30\n \n\n Allocated by task 1347:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n cachefiles_set_volume_xattr+0x76/0x350 [cachefiles]\n cachefiles_acquire_volume+0x2be/0x500 [cachefiles]\n fscache_create_volume_work+0x68/0x160 [fscache]\n process_one_work+0x3b7/0x6a0\n worker_thread+0x2c4/0x650\n kthread+0x16c/0x1a0\n ret_from_fork+0x22/0x30\n\n The buggy address belongs to the object at ffff888101e02af0\n which belongs to the cache kmalloc-8 of size 8\n The buggy address is located 4 bytes inside of\n 8-byte region [ffff888101e02af0, ffff888101e02af8)\n\n The buggy address belongs to the physical page:\n page:00000000a2292d70 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101e02\n flags: 0x17ffffc0000200(slab|node=0|zone=2|lastcpupid=0x1fffff)\n raw: 0017ffffc0000200 0000000000000000 dead000000000001 ffff888100042280\n raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000\n page dumped because: kasan: bad access detected\n\n Memory state around the buggy address:\n ffff888101e02980: fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc\n ffff888101e02a00: 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00\n >ffff888101e02a80: fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc 04 fc\n ^\n ffff888101e02b00: fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc\n ffff888101e02b80: fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc\n ==================================================================", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "413a4a6b0b5553f2423d210f65e98c211b99c3f8", "status": "affected", "versionType": "git", "lessThan": "09a5df1b88c8f126c8ff9938edf160edd4e92f42" }, { "version": "413a4a6b0b5553f2423d210f65e98c211b99c3f8", "status": "affected", "versionType": "git", "lessThan": "7b2f6c306601240635c72caa61f682e74d4591b2" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.17", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.17" }, { "version": "5.17.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.17.*" }, { "version": "5.18", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }