Use After Free Affecting torvalds/linux package, versions [3.0,3.13.7)


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.19% (42nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-3006260
  • published26 Jan 2022
  • disclosed24 Mar 2014
  • creditUnknown

Introduced: 24 Mar 2014

CVE-2014-2568  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 3.13.7 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. Use-after-free vulnerability in the nfqnl_zcopy function in net/netfilter/nfnetlink_queue_core.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation. NOTE: the affected code was moved to the skb_zerocopy function in net/core/skbuff.c before the vulnerability was announced.

References

CVSS Base Scores

version 3.1