CVE-2013-1772
The log_prefix function in kernel/printk.c in the Linux kernel 3.x before 3.4.33 does not properly remove a prefix string from a syslog header, which allows local users to cause a denial of service (buffer overflow and system crash) by leveraging…
Does this matter?
Lower severity and a low EPSS score (0.38%). Track it; it rarely justifies an emergency change on its own.
Description
The log_prefix function in kernel/printk.c in the Linux kernel 3.x before 3.4.33 does not properly remove a prefix string from a syslog header, which allows local users to cause a denial of service (buffer overflow and system crash) by leveraging /dev/kmsg write access and triggering a call_console_drivers function call.
- CVSS 2.0
- 4.0 MEDIUMAV:L/AC:H/Au:N/C:N/I:N/A:C
- EPSS
- 0.38% probability · 31th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.33
- http://www.openwall.com/lists/oss-security/2013/02/26/9
- https://bugzilla.redhat.com/show_bug.cgi?id=916075
- https://github.com/torvalds/linux/commit/ce0030c00f95cf9110d9cdcd41e901e1fb814417
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.33
- http://www.openwall.com/lists/oss-security/2013/02/26/9
- https://bugzilla.redhat.com/show_bug.cgi?id=916075
- https://github.com/torvalds/linux/commit/ce0030c00f95cf9110d9cdcd41e901e1fb814417
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.