CVE-2004-2536 | BDVDB-2026-12893 Detail
Description#
The exit_thread function (process.c) in Linux kernel 2.6 through 2.6.5 does not invalidate the per-TSS io_bitmap pointers if a process obtains IO access permissions from the ioperm function but does not drop those permissions when it exits, which allows other processes to access the per-TSS pointers, access restricted memory locations, and possibly gain privileges.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.6
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16106
- http://www.osvdb.org/5997
- http://www.securityfocus.com/bid/10302
- http://www.ussg.iu.edu/hypermail/linux/kernel/0405.0/1242.html
- http://secunia.com/advisories/11577
- http://www.ussg.iu.edu/hypermail/linux/kernel/0405.0/1265.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.