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Fencer Intel
medium 4.9

CVE-2010-3698 json

The KVM implementation in the Linux kernel before 2.6.36 does not properly reload the FS and GS segment registers, which allows host OS use…

published 15y ago modified 4mo ago also EUVD-2010-3682

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

The KVM implementation in the Linux kernel before 2.6.36 does not properly reload the FS and GS segment registers, which allows host OS users to cause a denial of service (host OS crash) via a KVM_RUN ioctl call in conjunction with a modified Local Descriptor Table (LDT).

Patch / fix

  • linux linux_kernel 2.6.36
  • kvm RHEL 5 VIRTUALIZATION 83-164.el5_5.25
  • kmod-kvm RHEL 5 VIRTUALIZATION 83-164.el5_5.25
  • kvm-tools RHEL 5 VIRTUALIZATION 83-164.el5_5.25
  • kvm-qemu-img RHEL 5 VIRTUALIZATION 83-164.el5_5.25
  • kernel RHEL 6 2.6.32-71.7.1.el6
  • perf RHEL 6 2.6.32-71.7.1.el6
  • kernel-kdump RHEL 6 2.6.32-71.7.1.el6
  • kernel-firmware RHEL 6 2.6.32-71.7.1.el6

red hat advisories RHSA-2010:0898RHSA-2010:0842

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-3698 updated cvss 4.6

kvm: invalid selector in fs/gs causes kernel panic

  • Red Hat Enterprise Linux 5 kvm
    affected: no fix available
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-debuginfo-common-i686 2.6.32-71.7.1.el6, kernel-debuginfo-common-x86_64 2.6.32-71.7.1.el6
    fixed: vendor fix RHSA-2010:0842
  • Red Hat Enterprise Linux Desktop Multi OS (v. 5 client) kvm 83-164.el5_5.25, kmod-kvm 83-164.el5_5.25, kvm-tools 83-164.el5_5.25, kvm-qemu-img 83-164.el5_5.25
    fixed: vendor fix RHSA-2010:0898
  • Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-debuginfo-common-x86_64 2.6.32-71.7.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-kdump 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-bootwrapper 2.6.32-71.7.1.el6, kernel-debuginfo-common-i686 2.6.32-71.7.1.el6, +3 more
    fixed: vendor fix RHSA-2010:0842
  • Red Hat Enterprise Linux Virtualization (v. 5 server) kvm 83-164.el5_5.25, kmod-kvm 83-164.el5_5.25, kvm-tools 83-164.el5_5.25, kvm-qemu-img 83-164.el5_5.25
    fixed: vendor fix RHSA-2010:0898
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-71.7.1.el6, kernel 2.6.32-71.7.1.el6, kernel-firmware 2.6.32-71.7.1.el6, kernel-debuginfo-common-i686 2.6.32-71.7.1.el6, kernel-debuginfo-common-x86_64 2.6.32-71.7.1.el6
    fixed: vendor fix RHSA-2010:0842

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.