{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-31714", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.133Z", "datePublished": "2026-05-01T13:56:09.925Z", "dateUpdated": "2026-06-14T17:44:19.741Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:44:19.741Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid memory leak in f2fs_rename()\n\nsyzbot reported a f2fs bug as below:\n\nBUG: memory leak\nunreferenced object 0xffff888127f70830 (size 16):\n comm \"syz.0.23\", pid 6144, jiffies 4294943712\n hex dump (first 16 bytes):\n 3c af 57 72 5b e6 8f ad 6e 8e fd 33 42 39 03 ff <.Wr[...n..3B9..\n backtrace (crc 925f8a80):\n kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]\n slab_post_alloc_hook mm/slub.c:4520 [inline]\n slab_alloc_node mm/slub.c:4844 [inline]\n __do_kmalloc_node mm/slub.c:5237 [inline]\n __kmalloc_noprof+0x3bd/0x560 mm/slub.c:5250\n kmalloc_noprof include/linux/slab.h:954 [inline]\n fscrypt_setup_filename+0x15e/0x3b0 fs/crypto/fname.c:364\n f2fs_setup_filename+0x52/0xb0 fs/f2fs/dir.c:143\n f2fs_rename+0x159/0xca0 fs/f2fs/namei.c:961\n f2fs_rename2+0xd5/0xf20 fs/f2fs/namei.c:1308\n vfs_rename+0x7ff/0x1250 fs/namei.c:6026\n filename_renameat2+0x4f4/0x660 fs/namei.c:6144\n __do_sys_renameat2 fs/namei.c:6173 [inline]\n __se_sys_renameat2 fs/namei.c:6168 [inline]\n __x64_sys_renameat2+0x59/0x80 fs/namei.c:6168\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nThe root cause is in commit 40b2d55e0452 (\"f2fs: fix to create selinux\nlabel during whiteout initialization\"), we added a call to\nf2fs_setup_filename() without a matching call to f2fs_free_filename(),\nfix it." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/f2fs/namei.c" ], "versions": [ { "version": "7525dec4b34c80b3015c3f2ac143fd2bfc1febc3", "lessThan": "a76c1cad4e80a9802ef8048662255417e3ce5b79", "status": "affected", "versionType": "git" }, { "version": "40b2d55e045222dd6de2a54a299f682e0f954b03", "lessThan": "c78206dcb912ab60b8ee3cbe8c48d749a9a12e1e", "status": "affected", "versionType": "git" }, { "version": "40b2d55e045222dd6de2a54a299f682e0f954b03", "lessThan": "047c0aef6af37a2a35181aa085c616ad286386f1", "status": "affected", "versionType": "git" }, { "version": "40b2d55e045222dd6de2a54a299f682e0f954b03", "lessThan": "369eb2016d8e2f01931b3bad1cb9cefa83f44003", "status": "affected", "versionType": "git" }, { "version": "40b2d55e045222dd6de2a54a299f682e0f954b03", "lessThan": "3cf11e6f36c170050c12171dd6fd3142711478fc", "status": "affected", "versionType": "git" }, { "version": "1d1b89c9846e6a550eca3d2ce9323fb591e4f321", "status": "affected", "versionType": "git" }, { "version": "64582cc5357cd984724cfb0835b4a34d9c279d31", "status": "affected", "versionType": "git" }, { "version": "6.6.23", "lessThan": "6.6.136", "status": "affected", "versionType": "semver" }, { "version": "6.7.11", "lessThan": "6.8", "status": "affected", "versionType": "semver" }, { "version": "6.8.2", "lessThan": "6.9", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/f2fs/namei.c" ], "versions": [ { "version": "6.9", "status": "affected" }, { "version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.136", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.84", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.25", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.0.2", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1", "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": "6.6.23", "versionEndExcluding": "6.6.136" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.12.84" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.18.25" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.0.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "7.1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a76c1cad4e80a9802ef8048662255417e3ce5b79" }, { "url": "https://git.kernel.org/stable/c/c78206dcb912ab60b8ee3cbe8c48d749a9a12e1e" }, { "url": "https://git.kernel.org/stable/c/047c0aef6af37a2a35181aa085c616ad286386f1" }, { "url": "https://git.kernel.org/stable/c/369eb2016d8e2f01931b3bad1cb9cefa83f44003" }, { "url": "https://git.kernel.org/stable/c/3cf11e6f36c170050c12171dd6fd3142711478fc" } ], "title": "f2fs: fix to avoid memory leak in f2fs_rename()", "x_generator": { "engine": "bippy-1.2.0" } } } }