{ "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-2023-53265", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53265", "idYear": 2023, "status": "PUBLISHED", "publishedAt": "2025-09-16T08:06:55.695Z", "updatedAt": "2026-05-11T19:41:34.667Z", "importedAt": "2026-10-24T01:57:03.413Z", "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": "ubi: ensure that VID header offset + VID header size <= alloc, size", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: ensure that VID header offset + VID header size <= alloc, size\n\nEnsure that the VID header offset + VID header size does not exceed\nthe allocated area to avoid slab OOB.\n\nBUG: KASAN: slab-out-of-bounds in crc32_body lib/crc32.c:111 [inline]\nBUG: KASAN: slab-out-of-bounds in crc32_le_generic lib/crc32.c:179 [inline]\nBUG: KASAN: slab-out-of-bounds in crc32_le_base+0x58c/0x626 lib/crc32.c:197\nRead of size 4 at addr ffff88802bb36f00 by task syz-executor136/1555\n\nCPU: 2 PID: 1555 Comm: syz-executor136 Tainted: G W\n6.0.0-1868 #1\nHardware name: Red Hat KVM, BIOS 1.13.0-2.module+el8.3.0+7860+a7792d29\n04/01/2014\nCall Trace:\n \n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x85/0xad lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:317 [inline]\n print_report.cold.13+0xb6/0x6bb mm/kasan/report.c:433\n kasan_report+0xa7/0x11b mm/kasan/report.c:495\n crc32_body lib/crc32.c:111 [inline]\n crc32_le_generic lib/crc32.c:179 [inline]\n crc32_le_base+0x58c/0x626 lib/crc32.c:197\n ubi_io_write_vid_hdr+0x1b7/0x472 drivers/mtd/ubi/io.c:1067\n create_vtbl+0x4d5/0x9c4 drivers/mtd/ubi/vtbl.c:317\n create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]\n ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812\n ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601\n ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965\n ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:870 [inline]\n __se_sys_ioctl fs/ioctl.c:856 [inline]\n __x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0x0\nRIP: 0033:0x7f96d5cf753d\nCode:\nRSP: 002b:00007fffd72206f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010\nRAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96d5cf753d\nRDX: 0000000020000080 RSI: 0000000040186f40 RDI: 0000000000000003\nRBP: 0000000000400cd0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000400be0\nR13: 00007fffd72207e0 R14: 0000000000000000 R15: 0000000000000000\n \n\nAllocated by task 1555:\n kasan_save_stack+0x20/0x3d mm/kasan/common.c:38\n kasan_set_track mm/kasan/common.c:45 [inline]\n set_alloc_info mm/kasan/common.c:437 [inline]\n ____kasan_kmalloc mm/kasan/common.c:516 [inline]\n __kasan_kmalloc+0x88/0xa3 mm/kasan/common.c:525\n kasan_kmalloc include/linux/kasan.h:234 [inline]\n __kmalloc+0x138/0x257 mm/slub.c:4429\n kmalloc include/linux/slab.h:605 [inline]\n ubi_alloc_vid_buf drivers/mtd/ubi/ubi.h:1093 [inline]\n create_vtbl+0xcc/0x9c4 drivers/mtd/ubi/vtbl.c:295\n create_empty_lvol drivers/mtd/ubi/vtbl.c:500 [inline]\n ubi_read_volume_table+0x67b/0x288a drivers/mtd/ubi/vtbl.c:812\n ubi_attach+0xf34/0x1603 drivers/mtd/ubi/attach.c:1601\n ubi_attach_mtd_dev+0x6f3/0x185e drivers/mtd/ubi/build.c:965\n ctrl_cdev_ioctl+0x2db/0x347 drivers/mtd/ubi/cdev.c:1043\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:870 [inline]\n __se_sys_ioctl fs/ioctl.c:856 [inline]\n __x64_sys_ioctl+0x193/0x213 fs/ioctl.c:856\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3e/0x86 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0x0\n\nThe buggy address belongs to the object at ffff88802bb36e00\n which belongs to the cache kmalloc-256 of size 256\nThe buggy address is located 0 bytes to the right of\n 256-byte region [ffff88802bb36e00, ffff88802bb36f00)\n\nThe buggy address belongs to the physical page:\npage:00000000ea4d1263 refcount:1 mapcount:0 mapping:0000000000000000\nindex:0x0 pfn:0x2bb36\nhead:00000000ea4d1263 order:1 compound_mapcount:0 compound_pincount:0\nflags: 0xfffffc0010200(slab|head|node=0|zone=1|lastcpupid=0x1fffff)\nraw: 000fffffc0010200 ffffea000066c300 dead000000000003 ffff888100042b40\nraw: 0000000000000000 00000000001\n---truncated---", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "61e04db3bec87f7dd10074296deb7d083e2ccade" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "771e207a839a29ba943e89f473b0fecd16089e2e" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "f7adb740f97b6fa84e658892dcb08e37a31a4e77" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "846bfba34175c23b13cc2023c2d67b96e8c14c43" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "701bb3ed5a88a73ebbe1266895bdeff065226dca" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "61aeba0e4b4124cfe3c5427feaf29c626dfa89e5" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "e1b73fe4f4c6bb80755eb4bf4b867a8fd8b1a7fe" }, { "version": "801c135ce73d5df1caf3eca35b66a10824ae0707", "status": "affected", "versionType": "git", "lessThan": "1b42b1a36fc946f0d7088425b90d491b4257ca3e" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.22", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.22" }, { "version": "4.14.308", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.276", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.235", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.173", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.100", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.18", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2.5", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.2.*" }, { "version": "6.3", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }