{"id":"CVE-2024-53172","title":"ubi: fastmap: Fix duplicate slab cache names while attaching","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nubi: fastmap: Fix duplicate slab cache names while attaching\n\nSince commit 4c39529663b9 (\"slab: Warn on duplicate cache names when\nDEBUG_VM=y\"), the duplicate slab cach…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < ef52b7191ac41e68b1bf070d00c5b04ed16e4920","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 871c148f8e0c32e505df9393ba4a303c3c3fe988","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 04c0b0f37617099479c34e207c5550d081f585a6","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < b1ee0aa4945c49cbbd779da81040fcec4de80fd1","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 6afdcb285794e75d2c8995e3a44f523c176cc2de","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 612824dd0c9465ef365ace38b056c663d110956d","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 3d8558135cd56a2a8052024be4073e160f36658c","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 7402c4bcb8a3f0d2ef4e687cd45c76be489cf509","Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < bcddf52b7a17adcebc768d26f4e27cf79adb424c","Linux 4.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:28:07.310506Z"},"published":"2024-12-27","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:22.613Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-53172","references":[{"url":"https://git.kernel.org/stable/c/ef52b7191ac41e68b1bf070d00c5b04ed16e4920"},{"url":"https://git.kernel.org/stable/c/871c148f8e0c32e505df9393ba4a303c3c3fe988"},{"url":"https://git.kernel.org/stable/c/04c0b0f37617099479c34e207c5550d081f585a6"},{"url":"https://git.kernel.org/stable/c/b1ee0aa4945c49cbbd779da81040fcec4de80fd1"},{"url":"https://git.kernel.org/stable/c/6afdcb285794e75d2c8995e3a44f523c176cc2de"},{"url":"https://git.kernel.org/stable/c/612824dd0c9465ef365ace38b056c663d110956d"},{"url":"https://git.kernel.org/stable/c/3d8558135cd56a2a8052024be4073e160f36658c"},{"url":"https://git.kernel.org/stable/c/7402c4bcb8a3f0d2ef4e687cd45c76be489cf509"},{"url":"https://git.kernel.org/stable/c/bcddf52b7a17adcebc768d26f4e27cf79adb424c"}],"tags":["cve.org"],"epss":0.0025,"epssPercentile":0.16396,"ingestedAt":"2026-11-05T22:38:31.829Z","slug":"CVE-2024-53172","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nubi: fastmap: Fix duplicate slab cache names while attaching\n\nSince commit 4c39529663b9 (\"slab: Warn on duplicate cache names when\nDEBUG_VM=y\"), the duplicate slab cache names can be detected and a\nkernel WARNING is thrown out.\nIn UBI fast attaching process, alloc_ai() could be invoked twice\nwith the same slab cache name 'ubi_aeb_slab_cache', which will trigger\nfollowing warning messages:\n kmem_cache of name 'ubi_aeb_slab_cache' already exists\n WARNING: CPU: 0 PID: 7519 at mm/slab_common.c:107\n          __kmem_cache_create_args+0x100/0x5f0\n Modules linked in: ubi(+) nandsim [last unloaded: nandsim]\n CPU: 0 UID: 0 PID: 7519 Comm: modprobe Tainted: G 6.12.0-rc2\n RIP: 0010:__kmem_cache_create_args+0x100/0x5f0\n Call Trace:\n   __kmem_cache_create_args+0x100/0x5f0\n   alloc_ai+0x295/0x3f0 [ubi]\n   ubi_attach+0x3c3/0xcc0 [ubi]\n   ubi_attach_mtd_dev+0x17cf/0x3fa0 [ubi]\n   ubi_init+0x3fb/0x800 [ubi]\n   do_init_module+0x265/0x7d0\n   __x64_sys_finit_module+0x7a/0xc0\n\nThe problem could be easily reproduced by loading UBI device by fastmap\nwith CONFIG_DEBUG_VM=y.\nFix it by using different slab names for alloc_ai() callers.\n\n## Affected\n\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < ef52b7191ac41e68b1bf070d00c5b04ed16e4920`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 871c148f8e0c32e505df9393ba4a303c3c3fe988`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 04c0b0f37617099479c34e207c5550d081f585a6`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < b1ee0aa4945c49cbbd779da81040fcec4de80fd1`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 6afdcb285794e75d2c8995e3a44f523c176cc2de`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 612824dd0c9465ef365ace38b056c663d110956d`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 3d8558135cd56a2a8052024be4073e160f36658c`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < 7402c4bcb8a3f0d2ef4e687cd45c76be489cf509`\n- `Linux >= d2158f69a7d469c21c37f7028c18aa8c54707de3 < bcddf52b7a17adcebc768d26f4e27cf79adb424c`\n- `Linux 4.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}