#VU95215 Resource management errors in Linux kernel - CVE-2007-5501
Vulnerability identifier: #VU95215
Vulnerability risk: Low
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-399
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https://lwn.net/Articles/258947/
https://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.23.8
https://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.24-rc3
https://issues.rpath.com/browse/RPL-1965
https://www.novell.com/linux/security/advisories/2007_63_kernel.html
https://www.securityfocus.com/bid/26474
https://secunia.com/advisories/27664
https://secunia.com/advisories/27703
https://secunia.com/advisories/27888
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00170.html
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00032.html
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00302.html
https://secunia.com/advisories/27919
https://secunia.com/advisories/27922
https://www.ubuntu.com/usn/usn-574-1
https://secunia.com/advisories/28706
https://www.mandriva.com/security/advisories?name=MDVSA-2008:044
https://www.ubuntu.com/usn/usn-558-1
https://secunia.com/advisories/28170
https://lists.opensuse.org/opensuse-security-announce/2008-03/msg00002.html
https://secunia.com/advisories/29245
https://www.vupen.com/english/advisories/2007/3902
https://exchange.xforce.ibmcloud.com/vulnerabilities/38548
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=96a2d41a3e495734b63bff4e5dd0112741b93b38
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
