PT-2013-1398 · Linux+1 · Linux Kernel+1

Published 2011-09-06 · Updated 2020-12-08 · CVE-2011-2519

Positive Technologies (AI Summary)

CVSS v2.0

5.5

Medium

Base vector

AV:A/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue allows guest users to cause a denial of service, resulting in an invalid pointer dereference and hypervisor crash, via the SAHF instruction when running a guest on a host without hardware assisted paging (HAP).

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2011-2519

RHSA-2011:1212

RHSA-2011:1813

RHSA-2011_1212

Affected Products

Linux Kernel

Red Hat

References · 18

• https://nvd.nist.gov/vuln/detail/CVE-2011-2519 · Security Note
• https://bdu.fstec.ru/vul/2015-04607 · Security Note
• http://rhn.redhat.com/errata/RHSA-2011-1212.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-04343 · Security Note
• https://bdu.fstec.ru/vul/2015-04341 · Security Note
• https://bdu.fstec.ru/vul/2015-04342 · Security Note
• http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644 · Vendor Advisory
• https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51 · Note
• https://access.redhat.com/errata/RHSA-2011:1212 · Note
• https://access.redhat.com/security/cve/CVE-2011-2495 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=714867 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=718882 · Note
• https://access.redhat.com/security/cve/CVE-2011-2491 · Note
• https://access.redhat.com/security/cve/CVE-2011-2482 · Note
• https://access.redhat.com/security/cve/CVE-2011-2519 · Note