CVE-2010-2942

Description

The actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does not properly initialize certain structure members when performing dump operations, which allows local users to obtain potentially sensitive information from kernel memory via vectors related to (1) the tcf_gact_dump function in net/sched/act_gact.c, (2) the tcf_mirred_dump function in net/sched/act_mirred.c, (3) the tcf_nat_dump function in net/sched/act_nat.c, (4) the tcf_simp_dump function in net/sched/act_simple.c, and (5) the tcf_skbedit_dump function in net/sched/act_skbedit.c.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=624903 issue tracking third party advisory patch
http://www.redhat.com/support/errata/RHSA-2010-0723.html vendor advisory broken link
http://www.ubuntu.com/usn/USN-1000-1 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.html mailing list third party advisory vendor advisory
http://www.redhat.com/support/errata/RHSA-2010-0771.html vendor advisory broken link
http://www.securityfocus.com/archive/1/520102/100/0/threaded mailing list vdb entry third party advisory
http://secunia.com/advisories/46397 third party advisory broken link
http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=1c40be12f7d8ca1d387510d39787b12e512a7ce8
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc2 broken link
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html mailing list third party advisory vendor advisory
http://www.vupen.com/english/advisories/2010/2430 vdb entry broken link
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html mailing list third party advisory vendor advisory
http://www.vupen.com/english/advisories/2011/0298 vdb entry broken link
http://patchwork.ozlabs.org/patch/61857/ mailing list third party advisory patch
http://www.vmware.com/security/advisories/VMSA-2011-0012.html third party advisory
http://support.avaya.com/css/P8/documents/100113326 third party advisory
http://www.openwall.com/lists/oss-security/2010/08/18/1 mailing list third party advisory patch
http://www.securityfocus.com/bid/42529 vdb entry third party advisory
http://www.openwall.com/lists/oss-security/2010/08/19/4 mailing list third party advisory patch
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html mailing list third party advisory vendor advisory
http://secunia.com/advisories/41512 third party advisory broken link
http://www.redhat.com/support/errata/RHSA-2010-0779.html vendor advisory broken link

Frequently Asked Questions

What is the severity of CVE-2010-2942?
CVE-2010-2942 has been scored as a medium severity vulnerability.
How to fix CVE-2010-2942?
To fix CVE-2010-2942, 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-2010-2942 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2010-2942 is being actively exploited. 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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