PublicDateAtUSN: 2010-09-07 Candidate: CVE-2010-2248 PublicDate: 2010-09-07 17:00:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2248 http://www.openwall.com/lists/oss-security/2010/06/28/1 https://ubuntu.com/security/notices/USN-1000-1 https://ubuntu.com/security/notices/USN-1074-1 https://ubuntu.com/security/notices/USN-1074-2 https://ubuntu.com/security/notices/USN-1083-1 Description: fs/cifs/cifssmb.c in the CIFS implementation in the Linux kernel before 2.6.34-rc4 allows remote attackers to cause a denial of service (panic) via an SMB response packet with an invalid CountHigh value, as demonstrated by a response from an OS/2 server, related to the CIFSSMBWrite and CIFSSMBWrite2 functions. Ubuntu-Description: Suresh Jayaraman discovered that CIFS did not correctly validate certain response packats. A remote attacker could send specially crafted traffic that would crash the system, leading to a denial of service. Notes: Bugs: Priority: medium Discovered-by: Assigned-to: bradf CVSS: Patches_linux-source-2.6.15: dapper: http://chinstrap.ubuntu.com/~bradf/CVEs/CVE-2010-2248/patches/dapper/linux/0001-cifs-Fix-a-kernel-BUG-with-remote-OS-2-server-try-3.txt upstream_linux-source-2.6.15: needs-triage dapper_linux-source-2.6.15: released (2.6.15-55.89) hardy_linux-source-2.6.15: DNE jaunty_linux-source-2.6.15: DNE karmic_linux-source-2.6.15: DNE lucid_linux-source-2.6.15: DNE maverick_linux-source-2.6.15: DNE devel_linux-source-2.6.15: DNE Patches_linux: upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6513a81e9325d712f1bfb9a1d7b750134e49ff18 hardy: http://chinstrap.ubuntu.com/~bradf/CVEs/CVE-2010-2248/patches/hardy/linux/0001-cifs-Fix-a-kernel-BUG-with-remote-OS-2-server-try-3.txt jaunty: http://chinstrap.ubuntu.com/~bradf/CVEs/CVE-2010-2248/patches/jaunty/linux/0001-cifs-Fix-a-kernel-BUG-with-remote-OS-2-server-try-3.txt karmic: http://chinstrap.ubuntu.com/~bradf/CVEs/CVE-2010-2248/patches/karmic/linux/0001-cifs-Fix-a-kernel-BUG-with-remote-OS-2-server-try-3.txt upstream_linux: released (2.6.34-rc4) dapper_linux: DNE hardy_linux: released (2.6.24-28.80) jaunty_linux: released (2.6.28-19.66) karmic_linux: released (2.6.31-22.67) lucid_linux: released (2.6.32-23.37) maverick_linux: not-affected devel_linux: not-affected Patches_linux-fsl-imx51: upstream_linux-fsl-imx51: needs-triage dapper_linux-fsl-imx51: DNE hardy_linux-fsl-imx51: DNE karmic_linux-fsl-imx51: released (2.6.31-112.30) lucid_linux-fsl-imx51: released (2.6.31-608.22) maverick_linux-fsl-imx51: DNE devel_linux-fsl-imx51: DNE Patches_linux-ec2: upstream_linux-ec2: needs-triage dapper_linux-ec2: DNE hardy_linux-ec2: DNE karmic_linux-ec2: released (2.6.31-307.21) lucid_linux-ec2: released (2.6.32-309.18) maverick_linux-ec2: ignored (binary supplied by "linux" now) devel_linux-ec2: DNE Patches_linux-lts-backport-maverick: upstream_linux-lts-backport-maverick: needs-triage dapper_linux-lts-backport-maverick: DNE hardy_linux-lts-backport-maverick: DNE karmic_linux-lts-backport-maverick: DNE lucid_linux-lts-backport-maverick: released (2.6.35-25.44~lucid1) maverick_linux-lts-backport-maverick: DNE devel_linux-lts-backport-maverick: DNE