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.
Affected products
- fedoraproject / fedora13 – 13
- Linux / Linux kernel2.6.36.2
- openSUSE / opensuse11.2 – 11.2
- openSUSE / opensuse11.3 – 11.3
- SUSE / linux_enterprise_desktop11 – 11
- SUSE / linux_enterprise_desktop10 – 10
- SUSE / linux_enterprise_real_time_extension11 – 11
- SUSE / linux_enterprise_server9 – 9
- SUSE / linux_enterprise_server10 – 10
- SUSE / linux_enterprise_server11 – 11
- SUSE / linux_enterprise_software_development_kit10 – 10
References
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/42778
- VENDOR_ADVISORYhttp://secunia.com/advisories/42801
- MISChttp://www.securityfocus.com/archive/1/520102/100/0/threaded
- MISChttp://www.redhat.com/support/errata/RHSA-2011-0017.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/46397
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
- MAILING_LISThttp://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/42932
- MISChttp://www.redhat.com/support/errata/RHSA-2011-0007.html
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2011/0124
- MISChttp://www.spinics.net/lists/netdev/msg146361.html
- MISChttp://www.securityfocus.com/archive/1/514845
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2010/3321
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2011/0298
- MISChttp://www.redhat.com/support/errata/RHSA-2010-0958.html
- MISChttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36.2
- VENDOR_ADVISORYhttp://secunia.com/advisories/42963
- MISChttp://www.securityfocus.com/bid/44758
- VENDOR_ADVISORYhttp://www.vmware.com/security/advisories/VMSA-2011-0012.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/42884
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2011/0375
- VENDOR_ADVISORYhttp://secunia.com/advisories/42890
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=651698
- MISChttp://www.redhat.com/support/errata/RHSA-2011-0162.html
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2011/0012
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2011/0168
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:029
- VENDOR_ADVISORYhttp://secunia.com/advisories/42745
- VENDOR_ADVISORYhttp://secunia.com/advisories/43291
- MISChttp://www.securityfocus.com/archive/1/514705
- MISChttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=57fe93b374a6b8711995c2d466c502af9f3a08bb
- MAILING_LISThttp://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.html