{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-68295", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-68295", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-12-16T15:06:14.977Z", "updatedAt": "2026-06-16T16:54:20.236Z", "importedAt": "2026-10-24T01:57:44.935Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "smb: client: fix memory leak in cifs_construct_tcon()", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "ff8f9bd1c46ee02d5558293915d42e82646d5ee9" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "d146e96fef876492979658dce644305de35878d4" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "3dd546e867e94c2f954bca45a961b6104ba708b6" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "f62ffdfb431bdfa4b6d24233b7fd830eca0b801e" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "f15288c137d960836277d0e3ecc62de68e52f00f" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "a67e91d5f446e455dd9201cdd6e865f7078d251d" }, { "version": "f2aee329a68f5a907bcff11a109dfe17c0b41aeb", "status": "affected", "versionType": "git", "lessThan": "3184b6a5a24ec9ee74087b2a550476f386df7dc2" }, { "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", "status": "affected", "versionType": "semver", "lessThan": "4.5" }, { "version": "4.9.194", "status": "affected", "versionType": "semver", "lessThan": "4.10" }, { "version": "4.14.146", "status": "affected", "versionType": "semver", "lessThan": "4.15" }, { "version": "4.19.75", "status": "affected", "versionType": "semver", "lessThan": "4.20" }, { "version": "5.2.17", "status": "affected", "versionType": "semver", "lessThan": "5.3" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "5.3", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "5.3" }, { "version": "5.10.247", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.197", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.159", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.119", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.61", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.17.11", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.17.*" }, { "version": "6.18", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }