{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-54283", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:44.525Z", "datePublished": "2025-12-30T12:23:24.460Z", "dateUpdated": "2026-05-11T19:58:58.681Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:58:58.681Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Address KCSAN report on bpf_lru_list\n\nKCSAN reported a data-race when accessing node->ref.\nAlthough node->ref does not have to be accurate,\ntake this chance to use a more common READ_ONCE() and WRITE_ONCE()\npattern instead of data_race().\n\nThere is an existing bpf_lru_node_is_ref() and bpf_lru_node_set_ref().\nThis patch also adds bpf_lru_node_clear_ref() to do the\nWRITE_ONCE(node->ref, 0) also.\n\n==================================================================\nBUG: KCSAN: data-race in __bpf_lru_list_rotate / __htab_lru_percpu_map_update_elem\n\nwrite to 0xffff888137038deb of 1 bytes by task 11240 on cpu 1:\n__bpf_lru_node_move kernel/bpf/bpf_lru_list.c:113 [inline]\n__bpf_lru_list_rotate_active kernel/bpf/bpf_lru_list.c:149 [inline]\n__bpf_lru_list_rotate+0x1bf/0x750 kernel/bpf/bpf_lru_list.c:240\nbpf_lru_list_pop_free_to_local kernel/bpf/bpf_lru_list.c:329 [inline]\nbpf_common_lru_pop_free kernel/bpf/bpf_lru_list.c:447 [inline]\nbpf_lru_pop_free+0x638/0xe20 kernel/bpf/bpf_lru_list.c:499\nprealloc_lru_pop kernel/bpf/hashtab.c:290 [inline]\n__htab_lru_percpu_map_update_elem+0xe7/0x820 kernel/bpf/hashtab.c:1316\nbpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313\nbpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200\ngeneric_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1687\nbpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4534\n__sys_bpf+0x338/0x810\n__do_sys_bpf kernel/bpf/syscall.c:5096 [inline]\n__se_sys_bpf kernel/bpf/syscall.c:5094 [inline]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5094\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nread to 0xffff888137038deb of 1 bytes by task 11241 on cpu 0:\nbpf_lru_node_set_ref kernel/bpf/bpf_lru_list.h:70 [inline]\n__htab_lru_percpu_map_update_elem+0x2f1/0x820 kernel/bpf/hashtab.c:1332\nbpf_percpu_hash_update+0x5e/0x90 kernel/bpf/hashtab.c:2313\nbpf_map_update_value+0x2a9/0x370 kernel/bpf/syscall.c:200\ngeneric_map_update_batch+0x3ae/0x4f0 kernel/bpf/syscall.c:1687\nbpf_map_do_batch+0x2d9/0x3d0 kernel/bpf/syscall.c:4534\n__sys_bpf+0x338/0x810\n__do_sys_bpf kernel/bpf/syscall.c:5096 [inline]\n__se_sys_bpf kernel/bpf/syscall.c:5094 [inline]\n__x64_sys_bpf+0x43/0x50 kernel/bpf/syscall.c:5094\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nvalue changed: 0x01 -> 0x00\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 0 PID: 11241 Comm: syz-executor.3 Not tainted 6.3.0-rc7-syzkaller-00136-g6a66fdd29ea1 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023\n==================================================================" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/bpf/bpf_lru_list.c", "kernel/bpf/bpf_lru_list.h" ], "versions": [ { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "6eaef1b1d8720053eb1b6e7a3ff8b2ff0716bb90", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "a89d14410ea0352420f03cddc67e0002dcc8f9a5", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "e09a285ea1e859d4cc6cb689d8d5d7c1f7c7c0d5", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "b6d9a4062c944ad095b34dc112bf646a84156f60", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "819ca25444b377935faa2dbb0aa3547519b5c80f", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "c006fe361cfd947f51a56793deddf891e5cbfef8", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "6e5e83b56f50fbd1c8f7dca7df7d72c67be25571", "status": "affected", "versionType": "git" }, { "version": "3a08c2fd763450a927d1130de078d6f9e74944fb", "lessThan": "ee9fd0ac3017c4313be91a220a9ac4c99dde7ad4", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/bpf/bpf_lru_list.c", "kernel/bpf/bpf_lru_list.h" ], "versions": [ { "version": "4.10", "status": "affected" }, { "version": "0", "lessThan": "4.10", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.322", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.291", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.251", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.188", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.150", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.42", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.4.7", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5", "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": "4.10", "versionEndExcluding": "4.14.322" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "4.19.291" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "5.4.251" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "5.10.188" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "5.15.150" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.1.42" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.4.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10", "versionEndExcluding": "6.5" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/6eaef1b1d8720053eb1b6e7a3ff8b2ff0716bb90" }, { "url": "https://git.kernel.org/stable/c/a89d14410ea0352420f03cddc67e0002dcc8f9a5" }, { "url": "https://git.kernel.org/stable/c/e09a285ea1e859d4cc6cb689d8d5d7c1f7c7c0d5" }, { "url": "https://git.kernel.org/stable/c/b6d9a4062c944ad095b34dc112bf646a84156f60" }, { "url": "https://git.kernel.org/stable/c/819ca25444b377935faa2dbb0aa3547519b5c80f" }, { "url": "https://git.kernel.org/stable/c/c006fe361cfd947f51a56793deddf891e5cbfef8" }, { "url": "https://git.kernel.org/stable/c/6e5e83b56f50fbd1c8f7dca7df7d72c67be25571" }, { "url": "https://git.kernel.org/stable/c/ee9fd0ac3017c4313be91a220a9ac4c99dde7ad4" } ], "title": "bpf: Address KCSAN report on bpf_lru_list", "x_generator": { "engine": "bippy-1.2.0" } } } }