What’s Vulnerable › Vulnerabilities

CVE-2014-4608

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-07-03 · updated 2026-06-17
• Weakness: CWE-190

Description

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.

Affected products

• Canonical Ubuntu Linux: 10.04, 12.04, 14.04, 14.10
• Linux kernel: before 3.15.2 — fixed in 3.15.2
• Opensuse: 11.4
• SUSE Linux Enterprise Real Time Extension: 11-sp3
• SUSE Linux Enterprise Server: 11-sp2

How to fix

Upgrade to a fixed version: Linux kernel 3.15.2. Check the vendor advisory for mitigations.

References

• http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=206a81c18401c0cde6e579164f752c4b147324ce
• http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
• http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
• http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
• http://rhn.redhat.com/errata/RHSA-2015-0062.html
• http://secunia.com/advisories/60011
• http://secunia.com/advisories/60174
• http://secunia.com/advisories/62633
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
• http://www.oberhumer.com/opensource/lzo/
• http://www.openwall.com/lists/oss-security/2014/06/26/21

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