{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-68295", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.293Z", "datePublished": "2025-12-16T15:06:14.977Z", "dateUpdated": "2026-06-16T16:54:20.236Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:02:33.913Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix memory leak in cifs_construct_tcon()\n\nWhen having a multiuser mount with domain= specified and using\ncifscreds, cifs_set_cifscreds() will end up setting @ctx->domainname,\nso it needs to be freed before leaving cifs_construct_tcon().\n\nThis fixes the following memory leak reported by kmemleak:\n\n mount.cifs //srv/share /mnt -o domain=ZELDA,multiuser,...\n su - testuser\n cifscreds add -d ZELDA -u testuser\n ...\n ls /mnt/1\n ...\n umount /mnt\n echo scan > /sys/kernel/debug/kmemleak\n cat /sys/kernel/debug/kmemleak\n unreferenced object 0xffff8881203c3f08 (size 8):\n comm \"ls\", pid 5060, jiffies 4307222943\n hex dump (first 8 bytes):\n 5a 45 4c 44 41 00 cc cc ZELDA...\n backtrace (crc d109a8cf):\n __kmalloc_node_track_caller_noprof+0x572/0x710\n kstrdup+0x3a/0x70\n cifs_sb_tlink+0x1209/0x1770 [cifs]\n cifs_get_fattr+0xe1/0xf50 [cifs]\n cifs_get_inode_info+0xb5/0x240 [cifs]\n cifs_revalidate_dentry_attr+0x2d1/0x470 [cifs]\n cifs_getattr+0x28e/0x450 [cifs]\n vfs_getattr_nosec+0x126/0x180\n vfs_statx+0xf6/0x220\n do_statx+0xab/0x110\n __x64_sys_statx+0xd5/0x130\n do_syscall_64+0xbb/0x380\n entry_SYSCALL_64_after_hwframe+0x77/0x7f" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/smb/client/connect.c" ], "versions": [ { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "ff8f9bd1c46ee02d5558293915d42e82646d5ee9", "status": "affected", "versionType": "git" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "d146e96fef876492979658dce644305de35878d4", "status": "affected", "versionType": "git" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "3dd546e867e94c2f954bca45a961b6104ba708b6", "status": "affected", "versionType": "git" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "f62ffdfb431bdfa4b6d24233b7fd830eca0b801e", "status": "affected", "versionType": "git" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "f15288c137d960836277d0e3ecc62de68e52f00f", "status": "affected", "versionType": "git" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "a67e91d5f446e455dd9201cdd6e865f7078d251d", "status": "affected", "versionType": "git" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "lessThan": "3184b6a5a24ec9ee74087b2a550476f386df7dc2", "status": "affected", "versionType": "git" }, { "version": "1456d3cea31114137fabf1110d20a2e2c6d6060f", "status": "affected", "versionType": "git" }, { "version": "16764d7486d02b1699ae16e91d7a577602398b17", "status": "affected", "versionType": "git" }, { "version": "904847402bd74a28164bd4d8da082d1eace7c190", "status": "affected", "versionType": "git" }, { "version": "325fa2a6729b74b2806b31725940cb54658515e5", "status": "affected", "versionType": "git" }, { "version": "8db988a982908b7bff76e095000adabf9c29698b", "status": "affected", "versionType": "git" }, { "version": "4.4.194", "lessThan": "4.5", "status": "affected", "versionType": "semver" }, { "version": "4.9.194", "lessThan": "4.10", "status": "affected", "versionType": "semver" }, { "version": "4.14.146", "lessThan": "4.15", "status": "affected", "versionType": "semver" }, { "version": "4.19.75", "lessThan": "4.20", "status": "affected", "versionType": "semver" }, { "version": "5.2.17", "lessThan": "5.3", "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/client/connect.c" ], "versions": [ { "version": "5.3", "status": "affected" }, { "version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.247", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.197", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.159", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.119", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.61", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.17.11", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18", "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": "5.3", "versionEndExcluding": "5.10.247" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.197" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.159" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.119" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.61" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.17.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.194" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.194" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.146" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.75" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/ff8f9bd1c46ee02d5558293915d42e82646d5ee9" }, { "url": "https://git.kernel.org/stable/c/d146e96fef876492979658dce644305de35878d4" }, { "url": "https://git.kernel.org/stable/c/3dd546e867e94c2f954bca45a961b6104ba708b6" }, { "url": "https://git.kernel.org/stable/c/f62ffdfb431bdfa4b6d24233b7fd830eca0b801e" }, { "url": "https://git.kernel.org/stable/c/f15288c137d960836277d0e3ecc62de68e52f00f" }, { "url": "https://git.kernel.org/stable/c/a67e91d5f446e455dd9201cdd6e865f7078d251d" }, { "url": "https://git.kernel.org/stable/c/3184b6a5a24ec9ee74087b2a550476f386df7dc2" } ], "title": "smb: client: fix memory leak in cifs_construct_tcon()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-16T16:54:11.171368Z", "id": "CVE-2025-68295", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-16T16:54:20.236Z" } } ] } }