CVE-2013-1943
Description
The KVM subsystem in the Linux kernel before 3.0 does not check whether kernel addresses are specified during allocation of memory slots for use in a guest's physical address space, which allows local users to gain privileges or obtain sensitive information from kernel memory via a crafted application, related to arch/x86/kvm/paging_tmpl.h and virt/kvm/kvm_main.c.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-1943
Vendor advisory: secalert@redhat.com — https://github.com/torvalds/linux/commit/fa3d315a4ce2c0891cdde262562e710d95fba19e
Vendor advisory: secalert@redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=950490
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| linux-kernel | affected | 3.0 | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
| rhel | 5.0 | affected | |
| rhel | 6.2 | affected | |
| rhel | 6.3 | affected | |
| ubuntu | 10.04 | affected | |
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa3d315a4ce2c0891cdde262562e710d95fba19e
- http://web.archive.org/web/20130329070349/http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
- http://www.ubuntu.com/usn/USN-1939-1
- https://bugzilla.redhat.com/show_bug.cgi?id=950490
- https://github.com/torvalds/linux/commit/fa3d315a4ce2c0891cdde262562e710d95fba19e
- https://security-tracker.debian.org/tracker/CVE-2013-1943
CWEs
CWE-20
Verify integrity in audit chain (admin only). AS-IS.