Use-after-free in Linux kernel - CVE-2015-1421
Published: March 16, 2015 / Updated: November 3, 2022
Vulnerability identifier: #VU90835
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-1421
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to a use-after-free error within the sctp_assoc_update() function in net/sctp/associola.c. A remote non-authenticated attacker can execute arbitrary code.
How to mitigate CVE-2015-1421
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=600ddd6825543962fb807884169e57b580dba208
- https://github.com/torvalds/linux/commit/600ddd6825543962fb807884169e57b580dba208
- http://www.openwall.com/lists/oss-security/2015/01/29/15
- https://bugzilla.redhat.com/show_bug.cgi?id=1196581
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.8
- http://www.debian.org/security/2015/dsa-3170
- http://www.ubuntu.com/usn/USN-2541-1
- http://www.ubuntu.com/usn/USN-2542-1
- http://rhn.redhat.com/errata/RHSA-2015-0726.html
- http://rhn.redhat.com/errata/RHSA-2015-0751.html
- http://www.ubuntu.com/usn/USN-2545-1
- http://www.ubuntu.com/usn/USN-2546-1
- http://rhn.redhat.com/errata/RHSA-2015-0782.html
- http://www.securitytracker.com/id/1032172
- http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- http://www.ubuntu.com/usn/USN-2563-1
- http://www.ubuntu.com/usn/USN-2562-1
- http://www.securityfocus.com/bid/72356
- http://rhn.redhat.com/errata/RHSA-2015-1082.html
- http://rhn.redhat.com/errata/RHSA-2015-0864.html