CVE-2026-99114: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: ksmbd: initialize FileSystemControlFlags in FS_CONTROL_INFORMATION smb2_get_info_filesystem() reports 48 bytes for FS_CONTROL_INFORMATION, that is the whole of struct smb2_fs_control_info, but never assigns FileSystemControlFlags. Those four bytes go to the client as they are found in the response buffer. The buffer is zeroed on allocation, so a standalone request leaks nothing. A compound request can leak: the offset of the next response is advanced by the length pinned for the previous one, so a reply that was written into the buffer and then dropped in favour of the short error response of smb2_set_err_rsp() stays there, and the next reply is laid over it with only the header cleared. ksmbd does not implement quota tracking, so report no control flags.

Засегнати продукти

• Linux Linux: e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди 995456b5e703e128904a6cbc8b3347eb3d04c72c; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди c78aea8984c84767e87f677477e4784deb8adfde; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди e8b82184a1982894820a91a72ac9857ddd5dffbf; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди 370459776468fc68c97008360108f381e3120953; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди d8c450ad0d08980b39b08d435efa921086c8b227; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди 03bb4338c3a7c3fc4decf699a35753f0891aab2a; e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 преди c0cd3fc6824122014da2b3b0cb7ddeaa2946ec8e
• Linux Linux: 5.15; преди 5.15; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.161 до 6.6.*; 6.12.115 до 6.12.*; 6.18.59 до 6.18.*; 7.2.13 до 7.2.*; от 7.3 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99265
• CVE-2026-99261
• CVE-2026-99260

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-99114
• https://nvd.nist.gov/vuln/detail/CVE-2026-99114
• https://git.kernel.org/stable/c/995456b5e703e128904a6cbc8b3347eb3d04c72c
• https://git.kernel.org/stable/c/c78aea8984c84767e87f677477e4784deb8adfde
• https://git.kernel.org/stable/c/e8b82184a1982894820a91a72ac9857ddd5dffbf
• https://git.kernel.org/stable/c/370459776468fc68c97008360108f381e3120953
• https://git.kernel.org/stable/c/d8c450ad0d08980b39b08d435efa921086c8b227
• https://git.kernel.org/stable/c/03bb4338c3a7c3fc4decf699a35753f0891aab2a
• https://git.kernel.org/stable/c/c0cd3fc6824122014da2b3b0cb7ddeaa2946ec8e