Public Date:
577711: CVE-2010-1188 kernel: ipv6: skb is unexpectedly freed

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in net/ipv4/tcp_input.c in the Linux kernel 2.6 before 2.6.20, when IPV6_RECVPKTINFO is set on a listening socket, allows remote attackers to cause a denial of service (kernel panic) via a SYN packet while the socket is in a listening (TCP_LISTEN) state, which is not properly handled and causes the skb structure to be freed.

Find out more about CVE-2010-1188 from the MITRE CVE dictionary dictionary and NIST NVD.


Red Hat is aware of this issue and is tracking it via the following bug:

This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise MRG, as it was fixed since version v2.6.20-rc6. It was addressed in Red Hat Enterprise Linux 5 in the kernel package via A future update in Red Hat Enterprise Linux 3 and 4 may address this flaw.

CVSS v2 metrics

Base Score 7.8
Base Metrics AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Extended Update Support 4.7 (kernel) RHSA-2010:0424 2010-05-18
Red Hat Enterprise Linux EUS (v. 5.3 server) (kernel) RHSA-2010:0439 2010-05-25
Red Hat Enterprise Linux 5 (kernel) RHSA-2010:0178 2010-03-29
Red Hat Enterprise Linux EUS (v. 5.4 server) (kernel) RHSA-2010:0380 2010-04-27
Red Hat Enterprise Linux Extended Lifecycle Support 3 (kernel) RHSA-2010:0882 2010-11-12
Red Hat Enterprise Linux 4 (kernel) RHSA-2010:0394 2010-05-05

Last Modified

CVE description copyright © 2017, The MITRE Corporation


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