National Cyber-Alert System
Vulnerability Summary for CVE-2007-5501
Original release date:11/15/2007
Last revised:02/20/2009
Source:
US-CERT/NIST
Overview
The tcp_sacktag_write_queue function in net/ipv4/tcp_input.c in Linux kernel 2.6.21 through 2.6.23.7, and 2.6.24-rc through 2.6.24-rc2, allows remote attackers to cause a denial of service (crash) via crafted ACK responses that trigger a NULL pointer dereference.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (11/20/2007)
-
Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
References to Advisories, Solutions, and Tools
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External Source: BID
Name: 26474
Type: Patch Information
External Source: VUPEN
Name: ADV-2007-3902
Type: Advisory; Patch Information
External Source: FEDORA
Name: FEDORA-2007-759
External Source: FEDORA
Name: FEDORA-2007-3751
External Source: FEDORA
Name: FEDORA-2007-3837
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1965
External Source: XF
Name: linux-kernel-tcpsacktagwritequeue-dos(38548)
External Source: UBUNTU
Name: USN-574-1
External Source: UBUNTU
Name: USN-558-1
External Source: SUSE
Name: SUSE-SA:2007:063
External Source: MANDRIVA
Name: MDVSA-2008:044
Type: Advisory
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.8
Type: Advisory
External Source: SECUNIA
Name: 29245
Type: Advisory
External Source: SECUNIA
Name: 28706
Type: Advisory
External Source: SECUNIA
Name: 28170
Type: Advisory
External Source: SECUNIA
Name: 27922
Type: Advisory
External Source: SECUNIA
Name: 27919
Type: Advisory
External Source: SECUNIA
Name: 27888
Type: Advisory
External Source: SECUNIA
Name: 27703
Type: Advisory
External Source: SECUNIA
Name: 27664
Type: Advisory
External Source: MLIST
Name: [linux-kernel] 20071116 Linux 2.6.23.8
External Source: SUSE
Name: SUSE-SA:2008:013
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=96a2d41a3e495734b63bff4e5dd0112741b93b38
Type: Advisory