{"id":"CVE-2024-26955","summary":"nilfs2: prevent kernel bug at submit_bh_wbc()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: prevent kernel bug at submit_bh_wbc()\n\nFix a bug where nilfs_get_block() returns a successful status when\nsearching and inserting the specified block both fail inconsistently.  If\nthis inconsistent behavior is not due to a previously fixed bug, then an\nunexpected race is occurring, so return a temporary error -EAGAIN instead.\n\nThis prevents callers such as __block_write_begin_int() from requesting a\nread into a buffer that is not mapped, which would cause the BUG_ON check\nfor the BH_Mapped flag in submit_bh_wbc() to fail.","modified":"2026-04-02T10:06:33.335756Z","published":"2024-05-01T05:18:51.866Z","related":["SUSE-SU-2024:1644-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26955.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0c8aa4cfda4e4adb15d5b6536d155eca9c9cd44c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/192e9f9078c96be30b31c4b44d6294b24520fce5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/269cdf353b5bdd15f1a079671b0f889113865f20"},{"type":"WEB","url":"https://git.kernel.org/stable/c/32eaee72e96590a75445c8a6c7c1057673b47e07"},{"type":"WEB","url":"https://git.kernel.org/stable/c/48d443d200237782dc82e6b60663ec414ef02e39"},{"type":"WEB","url":"https://git.kernel.org/stable/c/76ffbe911e2798c7296968f5fd72f7bf67207a8d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91e4c4595fae5e87069e44687ae879091783c183"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ca581d237f3b8539c044205bb003de71d75d227c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f0fe7ad5aff4f0fcf988913313c497de85f1e186"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/26xxx/CVE-2024-26955.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26955"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1f5abe7e7dbcd83e73212c6cb135a6106cea6a0b"},{"fixed":"91e4c4595fae5e87069e44687ae879091783c183"},{"fixed":"32eaee72e96590a75445c8a6c7c1057673b47e07"},{"fixed":"f0fe7ad5aff4f0fcf988913313c497de85f1e186"},{"fixed":"ca581d237f3b8539c044205bb003de71d75d227c"},{"fixed":"192e9f9078c96be30b31c4b44d6294b24520fce5"},{"fixed":"0c8aa4cfda4e4adb15d5b6536d155eca9c9cd44c"},{"fixed":"48d443d200237782dc82e6b60663ec414ef02e39"},{"fixed":"76ffbe911e2798c7296968f5fd72f7bf67207a8d"},{"fixed":"269cdf353b5bdd15f1a079671b0f889113865f20"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-26955.json"}}],"schema_version":"1.7.5"}