Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
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
ADP enrichment
No English description supplied.
- 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