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PublicDateAtUSN: 2011-01-25
Candidate: CVE-2010-4256
PublicDate: 2011-01-25
References:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4256
http://www.ubuntu.com/usn/usn-1083-1
http://www.ubuntu.com/usn/usn-1054-1
http://www.ubuntu.com/usn/usn-1167-1
http://www.ubuntu.com/usn/usn-1202-1
Description:
The pipe_fcntl function in fs/pipe.c in the Linux kernel before 2.6.37 does
not properly determine whether a file is a named pipe, which allows local
users to cause a denial of service via an F_SETPIPE_SZ fcntl call.
Ubuntu-Description:
It was discovered that named pipes did not correctly handle certain fcntl
calls. A local attacker could exploit this to crash the system, leading to
a denial of service.
Notes:
sbeattie> http://openwall.com/lists/oss-security/2010/11/30/6 claims
it was introduced in 2.6.35-rc2
apw> it was introduced by commit 35f3d14dbbc58447c61e38a162ea10add6b31dc7
apw> "pipe: add support for shrinking and growing pipes"
apw> which was introduced in v2.6.35-rc1
Bugs:
Priority: low
Discovered-by:
Assigned-to:
Patches_linux-source-2.6.15:
upstream_linux-source-2.6.15: released (2.6.37~rc4)
dapper_linux-source-2.6.15: not-affected
hardy_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
natty_linux-source-2.6.15: DNE
devel_linux-source-2.6.15: DNE
Patches_linux:
upstream: http://git.kernel.org/linus/71993e62a47dabddf10302807d6aa260455503f4
upstream: http://git.kernel.org/linus/c66fb347946ebdd5b10908866ecc9fa05ee2cf3d
upstream_linux: released (2.6.37~rc4)
dapper_linux: DNE
hardy_linux: not-affected
karmic_linux: not-affected
lucid_linux: not-affected
maverick_linux: released (2.6.35-25.43)
natty_linux: released (2.6.37-8.20)
devel_linux: not-affected (2.6.39-0.0)
upstream_linux-ec2: released (2.6.37~rc4)
dapper_linux-ec2: DNE
hardy_linux-ec2: DNE
karmic_linux-ec2: ignored (reached end-of-life)
lucid_linux-ec2: not-affected
maverick_linux-ec2: ignored (binary supplied by "linux" now)
natty_linux-ec2: DNE
devel_linux-ec2: DNE
Patches_linux-ti-omap4:
upstream_linux-ti-omap4: released (2.6.37~rc4)
dapper_linux-ti-omap4: DNE
hardy_linux-ti-omap4: DNE
karmic_linux-ti-omap4: DNE
lucid_linux-ti-omap4: DNE
maverick_linux-ti-omap4: released (2.6.35-903.23)
natty_linux-ti-omap4: not-affected (2.6.38-1201.2)
devel_linux-ti-omap4: not-affected (2.6.38-1309.13)
upstream_linux-lts-backport-maverick: released (2.6.37~rc4)
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
natty_linux-lts-backport-maverick: DNE
devel_linux-lts-backport-maverick: DNE
Patches_linux-mvl-dove:
upstream_linux-mvl-dove: released (2.6.37~rc4)
dapper_linux-mvl-dove: DNE
hardy_linux-mvl-dove: DNE
karmic_linux-mvl-dove: ignored (abandonded branch)
lucid_linux-mvl-dove: not-affected
maverick_linux-mvl-dove: not-affected
natty_linux-mvl-dove: DNE
devel_linux-mvl-dove: DNE
Patches_linux-fsl-imx51:
upstream_linux-fsl-imx51: released (2.6.37~rc4)
dapper_linux-fsl-imx51: DNE
hardy_linux-fsl-imx51: DNE
karmic_linux-fsl-imx51: ignored (reached end-of-life)
lucid_linux-fsl-imx51: not-affected
maverick_linux-fsl-imx51: DNE
natty_linux-fsl-imx51: DNE
devel_linux-fsl-imx51: DNE
Patches_linux-lts-backport-natty:
upstream_linux-lts-backport-natty: released (2.6.37~rc4)
hardy_linux-lts-backport-natty: DNE
lucid_linux-lts-backport-natty: not-affected (2.6.38-1.27~lucid1)
maverick_linux-lts-backport-natty: DNE
natty_linux-lts-backport-natty: DNE
devel_linux-lts-backport-natty: DNE
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