CVE-2010-4158
LOW severity · CVSS 2.1 · Information disclosure
2.1CVSS LOW
Summary
The sk_run_filter function in net/core/filter.c in the Linux kernel before 2.6.36.2 does not check whether a certain memory location has been initialized before executing a (1) BPF_S_LD_MEM or (2) BPF_S_LDX_MEM instruction, which allows local users to obtain potentially sensitive information from kernel stack memory via a crafted socket filter.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:P/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=57fe93b374a6b8711995c2d466c502af9f3a08bb
- http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.htmlAdvisory
- http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlAdvisory