SB2019072812 - Buffer overflow in Linux kernel
Published: July 28, 2019 Updated: July 17, 2020
Security Bulletin ID
SB2019072812
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2007-6762)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a2f11c227bdf292b3a2900ad04139d301b56ac4
- https://github.com/torvalds/linux/commit/2a2f11c227bdf292b3a2900ad04139d301b56ac4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20
- https://support.f5.com/csp/article/K05342145
- https://support.f5.com/csp/article/K05342145?utm_source=f5support&utm_medium=RSS