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Fencer Intel
high 7.3

CVE-2014-4608 json

Multiple integer overflows in the lzo1x_decompress_safe function in lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor in the Linux ke…

published 2014-07-03 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4535

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Multiple integer overflows in the lzo1x_decompress_safe function in lib/lzo/lzo1x_decompress_safe.c in the LZO decompressor in the Linux kernel before 3.15.2 allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Literal Run. NOTE: the author of the LZO algorithms says "the Linux kernel is *not* affected; media hype.

Patch / fix

  • linux linux_kernel 3.15.2
  • linux Debian 14, Debian 13, Debian 12 3.14.9-1

debian advisories DEBIAN-CVE-2014-4608

  • linux Ubuntu 14.04 LTS 3.13.0-40.69

ubuntu advisories UBUNTU-CVE-2014-4608

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel RHEL 6 2.6.32-504.el6
  • perf RHEL 6 2.6.32-504.el6
  • python-perf RHEL 6 2.6.32-504.el6
  • kernel-kdump RHEL 6 2.6.32-504.el6
  • kernel-firmware RHEL 6 2.6.32-504.el6
  • kernel-bootwrapper RHEL 6 2.6.32-504.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-504.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-504.el6

red hat advisories RHSA-2015:0062RHSA-2014:1392

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-2014-4608 updated cvss 6.0

kernel: lzo1x_decompress_safe() integer overflow

  • Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5) kernel 2.6.32-431.46.2.el6, python-perf 2.6.32-431.46.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.46.2.el6
    fixed: vendor fix RHSA-2015:0062
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6
    fixed: vendor fix RHSA-2014:1392
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.5) perf 2.6.32-431.46.2.el6, kernel 2.6.32-431.46.2.el6, kernel-firmware 2.6.32-431.46.2.el6, kernel-abi-whitelists 2.6.32-431.46.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.46.2.el6
    fixed: vendor fix RHSA-2015:0062
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-kdump 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-bootwrapper 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, +4 more
    fixed: vendor fix RHSA-2014:1392
  • Red Hat Enterprise Linux Server EUS (v. 6.5) perf 2.6.32-431.46.2.el6, kernel 2.6.32-431.46.2.el6, kernel-kdump 2.6.32-431.46.2.el6, kernel-firmware 2.6.32-431.46.2.el6, kernel-bootwrapper 2.6.32-431.46.2.el6, kernel-abi-whitelists 2.6.32-431.46.2.el6, +4 more
    fixed: vendor fix RHSA-2015:0062
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-ppc64 2.6.32-504.el6, kernel-debuginfo-common-s390x 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6
    fixed: vendor fix RHSA-2014:1392
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.5) kernel 2.6.32-431.46.2.el6, python-perf 2.6.32-431.46.2.el6, kernel-debuginfo-common-i686 2.6.32-431.46.2.el6, kernel-debuginfo-common-ppc64 2.6.32-431.46.2.el6, kernel-debuginfo-common-s390x 2.6.32-431.46.2.el6, kernel-debuginfo-common-x86_64 2.6.32-431.46.2.el6
    fixed: vendor fix RHSA-2015:0062
show 2 more
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6
    fixed: vendor fix RHSA-2014:1392
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more
    not affected: vulnerable code not present

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

5.42% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
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.