CVE-2011-1770

Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.
Wrap or Wraparound
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 89%
VendorProductVersion
linuxlinux_kernel
𝑥
< 2.6.33.14
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
natty
Fixed 2.6.38-10.44
released
maverick
Fixed 2.6.35-30.57
released
lucid
Fixed 2.6.32-33.64
released
hardy
not-affected
linux-ec2
natty
dne
maverick
ignored
lucid
Fixed 2.6.32-317.32
released
hardy
dne
linux-fsl-imx51
natty
dne
maverick
dne
lucid
Fixed 2.6.31-610.27
released
hardy
dne
linux-lts-backport-maverick
natty
dne
maverick
dne
lucid
Fixed 2.6.35-30.57~lucid1
released
hardy
dne
linux-lts-backport-natty
natty
dne
maverick
dne
lucid
not-affected
hardy
dne
linux-mvl-dove
natty
dne
maverick
Fixed 2.6.32-417.34
released
lucid
Fixed 2.6.32-217.34
released
hardy
dne
linux-ti-omap4
natty
Fixed 2.6.38-1209.15
released
maverick
Fixed 2.6.35-903.23
released
lucid
dne
hardy
dne