CVE-2016-9576
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, which
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The blk_rq_map_user_iov function in block/blk-map.c in the Linux kernel before 4.8.14 does not properly restrict the type of iterator, which allows local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device.
Timeline
- CVE published
- Record last updated
Affected versions
- n/a n/a
Version range not reported
References 19
lists.opensuse.org
- opensuse-security-announce/2016-12/msg00057.html
- opensuse-security-announce/2016-12/msg00088.html
- opensuse-security-announce/2016-12/msg00040.html
- opensuse-security-announce/2016-12/msg00072.html
- opensuse-security-announce/2016-12/msg00041.html
- opensuse-security-announce/2016-12/msg00062.html
- opensuse-security-announce/2016-12/msg00075.html
- opensuse-security-announce/2016-12/msg00081.html
- opensuse-security-announce/2016-12/msg00091.html