NULL Pointer Dereference Affecting kernel-devel package, versions <0:3.10.0-693.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDEVEL-5154529
- published 26 Jul 2021
- disclosed 21 Mar 2017
Introduced: 21 Mar 2017
CVE-2017-2647 Open this link in a new tabHow to fix?
Upgrade RHEL:7
kernel-devel
to version 0:3.10.0-693.el7 or higher.
This issue was patched in RHSA-2017:1842
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-devel
package and not the kernel-devel
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
References
- http://www.securityfocus.com/bid/97258
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81
- https://bugzilla.redhat.com/show_bug.cgi?id=1428353
- https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81
- https://access.redhat.com/security/cve/CVE-2017-2647
- https://access.redhat.com/errata/RHSA-2017:1842
- https://usn.ubuntu.com/3849-1/
- https://usn.ubuntu.com/3849-2/