{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-45924", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.086Z", "datePublished": "2026-05-27T12:17:43.229Z", "dateUpdated": "2026-05-27T12:17:43.229Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:17:43.229Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths\n\nThere are two places where ksmbd_vfs_kern_path_end_removing() needs to be\ncalled in order to balance what the corresponding successful call to\nksmbd_vfs_kern_path_start_removing() has done, i.e. drop inode locks and\nput the taken references. Otherwise there might be potential deadlocks\nand unbalanced locks which are caught like:\n\nBUG: workqueue leaked lock or atomic: kworker/5:21/0x00000000/7596\n last function: handle_ksmbd_work\n2 locks held by kworker/5:21/7596:\n #0: ffff8881051ae448 (sb_writers#3){.+.+}-{0:0}, at: ksmbd_vfs_kern_path_locked+0x142/0x660\n #1: ffff888130e966c0 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: ksmbd_vfs_kern_path_locked+0x17d/0x660\nCPU: 5 PID: 7596 Comm: kworker/5:21 Not tainted 6.1.162-00456-gc29b353f383b #138\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-debian-1.17.0-1 04/01/2014\nWorkqueue: ksmbd-io handle_ksmbd_work\nCall Trace:\n \n dump_stack_lvl+0x44/0x5b\n process_one_work.cold+0x57/0x5c\n worker_thread+0x82/0x600\n kthread+0x153/0x190\n ret_from_fork+0x22/0x30\n \n\nFound by Linux Verification Center (linuxtesting.org)." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/smb/server/smb2pdu.c" ], "versions": [ { "version": "9d5012ffe14120f978ee34aef4df3d6cb026b7c4", "lessThan": "8e3a3192ef78d8302916408d62813b1fddfc8972", "status": "affected", "versionType": "git" }, { "version": "ac98d54630d5b52e3f684d872f0d82c06c418ea9", "lessThan": "f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2", "status": "affected", "versionType": "git" }, { "version": "1e858a7a51c7b8b009d8f246de7ceb7743b44a71", "lessThan": "cf29329a13df79c198b45dfc92577638d30b56fa", "status": "affected", "versionType": "git" }, { "version": "814cfdb6358d9b84fcbec9918c8f938cc096a43a", "lessThan": "34d6691933682f0516259a31b39d2cebcedec0a5", "status": "affected", "versionType": "git" }, { "version": "d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694", "lessThan": "0c578e8065c4b08d5635a4cbc0f6321df9d20f79", "status": "affected", "versionType": "git" }, { "version": "d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694", "lessThan": "4c38600feb81c670edb82e49d201d3d2d00cd4c3", "status": "affected", "versionType": "git" }, { "version": "d5fc1400a34b4ea5e8f2ce296ea12bf8c8421694", "lessThan": "a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8", "status": "affected", "versionType": "git" }, { "version": "a7dddd62578c2eb6cb28b8835556a121b5157323", "status": "affected", "versionType": "git" }, { "version": "a726fef6d7d4cfc365d3434e3916dbfe78991a33", "status": "affected", "versionType": "git" }, { "version": "5.15.190", "lessThan": "5.15.203", "status": "affected", "versionType": "semver" }, { "version": "6.1.149", "lessThan": "6.1.167", "status": "affected", "versionType": "semver" }, { "version": "6.6.103", "lessThan": "6.6.130", "status": "affected", "versionType": "semver" }, { "version": "6.12.43", "lessThan": "6.12.78", "status": "affected", "versionType": "semver" }, { "version": "6.15.11", "lessThan": "6.16", "status": "affected", "versionType": "semver" }, { "version": "6.16.2", "lessThan": "6.17", "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/smb/server/smb2pdu.c" ], "versions": [ { "version": "6.17", "status": "affected" }, { "version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.0", "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": "5.15.190", "versionEndExcluding": "5.15.203" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.149", "versionEndExcluding": "6.1.167" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.103", "versionEndExcluding": "6.6.130" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.43", "versionEndExcluding": "6.12.78" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.18.17" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.19.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "7.0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/8e3a3192ef78d8302916408d62813b1fddfc8972" }, { "url": "https://git.kernel.org/stable/c/f221baa80e5959a0c08a7e34abbf2a4d3cf0e1c2" }, { "url": "https://git.kernel.org/stable/c/cf29329a13df79c198b45dfc92577638d30b56fa" }, { "url": "https://git.kernel.org/stable/c/34d6691933682f0516259a31b39d2cebcedec0a5" }, { "url": "https://git.kernel.org/stable/c/0c578e8065c4b08d5635a4cbc0f6321df9d20f79" }, { "url": "https://git.kernel.org/stable/c/4c38600feb81c670edb82e49d201d3d2d00cd4c3" }, { "url": "https://git.kernel.org/stable/c/a09dc10d1353f0e92c21eae2a79af1c2b1ddcde8" } ], "title": "ksmbd: call ksmbd_vfs_kern_path_end_removing() on some error paths", "x_generator": { "engine": "bippy-1.2.0" } } } }