CVE-2013-0914

Description

The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.

Risk Information

Base Score

5.1

MODERATE

Vector

AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Score

Exploitation Probability

0.007

Associated Vulnerability

Vulnerability	OS Platform
Linux kernel (USN-1793-1) linux-image-3.2.0-40-generic_3.2.0-40.64_i386.deb	Linux
Linux kernel (USN-1793-1) linux-image-3.2.0-40-generic_3.2.0-40.64_amd64.deb	Linux
Linux kernel (USN-1793-1) linux-image-3.2.0-40-virtual_3.2.0-40.64_i386.deb	Linux
Linux kernel (USN-1793-1) linux-image-3.2.0-40-virtual_3.2.0-40.64_amd64.deb	Linux
Linux kernel (USN-1793-1) linux-image-3.2.0-40-generic-pae_3.2.0-40.64_i386.deb	Linux
Linux hardware enablement kernel from Quantal (USN-1795-1) linux-image-3.5.0-27-generic_3.5.0-27.46~precise1_i386.deb	Linux
Linux hardware enablement kernel from Quantal (USN-1795-1) linux-image-3.5.0-27-generic_3.5.0-27.46~precise1_amd64.deb	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234