CVE-2010-4158

Public Exploit

Description

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.

Category

2.1
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory mandriva.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html vendor advisory mailing list third party advisory
http://secunia.com/advisories/42778 third party advisory
http://secunia.com/advisories/42801 third party advisory
http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing list third party advisory vdb entry
http://www.redhat.com/support/errata/RHSA-2011-0017.html third party advisory vendor advisory
http://secunia.com/advisories/46397 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html vendor advisory mailing list third party advisory
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html vendor advisory mailing list third party advisory
http://secunia.com/advisories/42932 third party advisory
http://www.redhat.com/support/errata/RHSA-2011-0007.html third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/0124 third party advisory vdb entry
http://www.spinics.net/lists/netdev/msg146361.html patch mailing list third party advisory
http://www.securityfocus.com/archive/1/514845 mailing list third party advisory vdb entry exploit
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html vendor advisory mailing list third party advisory
http://www.vupen.com/english/advisories/2010/3321 third party advisory vdb entry
http://www.vupen.com/english/advisories/2011/0298 third party advisory vdb entry
http://www.redhat.com/support/errata/RHSA-2010-0958.html third party advisory vendor advisory
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2 broken link
http://secunia.com/advisories/42963 third party advisory
http://www.securityfocus.com/bid/44758 third party advisory vdb entry
http://www.vmware.com/security/advisories/VMSA-2011-0012.html third party advisory
http://secunia.com/advisories/42884 third party advisory
http://www.vupen.com/english/advisories/2011/0375 third party advisory vdb entry
http://secunia.com/advisories/42890 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=651698 patch third party advisory issue tracking
http://www.redhat.com/support/errata/RHSA-2011-0162.html third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/0012 third party advisory vdb entry
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html vendor advisory mailing list third party advisory
http://www.vupen.com/english/advisories/2011/0168 third party advisory vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2011:029 third party advisory vendor advisory
http://secunia.com/advisories/42745 third party advisory
http://secunia.com/advisories/43291 third party advisory
http://www.securityfocus.com/archive/1/514705 mailing list third party advisory vdb entry exploit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=57fe93b374a6b8711995c2d466c502af9f3a08bb
http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2010-4158?
CVE-2010-4158 has been scored as a low severity vulnerability.
How to fix CVE-2010-4158?
To fix CVE-2010-4158, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-4158 being actively exploited in the wild?
It is possible that CVE-2010-4158 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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