Linux kernel built with the cfg80211 - wireless configuration API
support(CONFIGCFG80211) is vulnerable to a potential DoS caused by buffer
over-read while parsing wireless packet header.
The ieee80211radiotapiteratorinit function in net/wireless/radiotap.c in the Linux kernel before 3.11.7 does not check whether a frame contains any data outside of the header, which might allow attackers to cause a denial of service (buffer over-read) via a crafted header.
— Launchpad
Affected Software
272 affected componentsFixes available
Linux Linux kernel<=3.11.6
Linux Linux kernel=3.0-rc1
Linux Linux kernel=3.0-rc2
Linux Linux kernel=3.0-rc3
Linux Linux kernel=3.0-rc4
Linux Linux kernel=3.0-rc5
Linux Linux kernel=3.0-rc6
Linux Linux kernel=3.0-rc7
Linux Linux kernel=3.0.1
Linux Linux kernel=3.0.2
Linux Linux kernel=3.0.3
Linux Linux kernel=3.0.4
Linux Linux kernel=3.0.5
Linux Linux kernel=3.0.6
Linux Linux kernel=3.0.7
Linux Linux kernel=3.0.8
Linux Linux kernel=3.0.9
Linux Linux kernel=3.0.10
Linux Linux kernel=3.0.11
Linux Linux kernel=3.0.12
Linux Linux kernel=3.0.13
Linux Linux kernel=3.0.14
Linux Linux kernel=3.0.15
Linux Linux kernel=3.0.16
Linux Linux kernel=3.0.17
Linux Linux kernel=3.0.18
Linux Linux kernel=3.0.19
Linux Linux kernel=3.0.20
Linux Linux kernel=3.0.21
Linux Linux kernel=3.0.22
Linux Linux kernel=3.0.23
Linux Linux kernel=3.0.24
Linux Linux kernel=3.0.25
Linux Linux kernel=3.0.26
Linux Linux kernel=3.0.27
Linux Linux kernel=3.0.28
Linux Linux kernel=3.0.29
Linux Linux kernel=3.0.30
Linux Linux kernel=3.0.31
Linux Linux kernel=3.0.32
Linux Linux kernel=3.0.33
Linux Linux kernel=3.0.34
Linux Linux kernel=3.0.35
Linux Linux kernel=3.0.36
Linux Linux kernel=3.0.37
Linux Linux kernel=3.0.38
Linux Linux kernel=3.0.39
Linux Linux kernel=3.0.40
Linux Linux kernel=3.0.41
Linux Linux kernel=3.0.42
Linux Linux kernel=3.0.43
Linux Linux kernel=3.0.44
Linux Linux kernel=3.0.45
Linux Linux kernel=3.0.46
Linux Linux kernel=3.0.47
Linux Linux kernel=3.0.48
Linux Linux kernel=3.0.49
Linux Linux kernel=3.0.50
Linux Linux kernel=3.0.51
Linux Linux kernel=3.0.52
Linux Linux kernel=3.0.53
Linux Linux kernel=3.0.54
Linux Linux kernel=3.0.55
Linux Linux kernel=3.0.56
Linux Linux kernel=3.0.57
Linux Linux kernel=3.0.58
Linux Linux kernel=3.0.59
Linux Linux kernel=3.0.60
Linux Linux kernel=3.0.61
Linux Linux kernel=3.0.62
Linux Linux kernel=3.0.63
Linux Linux kernel=3.0.64
Linux Linux kernel=3.0.65
Linux Linux kernel=3.0.66
Linux Linux kernel=3.0.67
Linux Linux kernel=3.0.68
Linux Linux kernel=3.1
Linux Linux kernel=3.1-rc1
Linux Linux kernel=3.1-rc2
Linux Linux kernel=3.1-rc3
Linux Linux kernel=3.1-rc4
Linux Linux kernel=3.1.1
Linux Linux kernel=3.1.2
Linux Linux kernel=3.1.3
Linux Linux kernel=3.1.4
Linux Linux kernel=3.1.5
Linux Linux kernel=3.1.6
Linux Linux kernel=3.1.7
Linux Linux kernel=3.1.8
Linux Linux kernel=3.1.9
Linux Linux kernel=3.1.10
Linux Linux kernel=3.2
Linux Linux kernel=3.2-rc2
Linux Linux kernel=3.2-rc3
Linux Linux kernel=3.2-rc4
Linux Linux kernel=3.2-rc5
Linux Linux kernel=3.2-rc6
Linux Linux kernel=3.2-rc7
Linux Linux kernel=3.2.1
Linux Linux kernel=3.2.2
Linux Linux kernel=3.2.3
Linux Linux kernel=3.2.4
Linux Linux kernel=3.2.5
Linux Linux kernel=3.2.6
Linux Linux kernel=3.2.7
Linux Linux kernel=3.2.8
Linux Linux kernel=3.2.9
Linux Linux kernel=3.2.10
Linux Linux kernel=3.2.11
Linux Linux kernel=3.2.12
Linux Linux kernel=3.2.13
Linux Linux kernel=3.2.14
Linux Linux kernel=3.2.15
Linux Linux kernel=3.2.16
Linux Linux kernel=3.2.17
Linux Linux kernel=3.2.18
Linux Linux kernel=3.2.19
Linux Linux kernel=3.2.20
Linux Linux kernel=3.2.21
Linux Linux kernel=3.2.22
Linux Linux kernel=3.2.23
Linux Linux kernel=3.2.24
Linux Linux kernel=3.2.25
Linux Linux kernel=3.2.26
Linux Linux kernel=3.2.27
Linux Linux kernel=3.2.28
Linux Linux kernel=3.2.29
Linux Linux kernel=3.2.30
Linux Linux kernel=3.3
Linux Linux kernel=3.3-rc1
Linux Linux kernel=3.3-rc2
Linux Linux kernel=3.3-rc3
Linux Linux kernel=3.3-rc4
Linux Linux kernel=3.3-rc5
Linux Linux kernel=3.3-rc6
Linux Linux kernel=3.3-rc7
Linux Linux kernel=3.3.1
Linux Linux kernel=3.3.2
Linux Linux kernel=3.3.3
Linux Linux kernel=3.3.4
Linux Linux kernel=3.3.5
Linux Linux kernel=3.3.6
Linux Linux kernel=3.3.7
Linux Linux kernel=3.3.8
Linux Linux kernel=3.4
Linux Linux kernel=3.4-rc1
Linux Linux kernel=3.4-rc2
Linux Linux kernel=3.4-rc3
Linux Linux kernel=3.4-rc4
Linux Linux kernel=3.4-rc5
Linux Linux kernel=3.4-rc6
Linux Linux kernel=3.4-rc7
Linux Linux kernel=3.4.1
Linux Linux kernel=3.4.2
Linux Linux kernel=3.4.3
Linux Linux kernel=3.4.4
Linux Linux kernel=3.4.5
Linux Linux kernel=3.4.6
Linux Linux kernel=3.4.7
Linux Linux kernel=3.4.8
Linux Linux kernel=3.4.9
Linux Linux kernel=3.4.10
Linux Linux kernel=3.4.11
Linux Linux kernel=3.4.12
Linux Linux kernel=3.4.13
Linux Linux kernel=3.4.14
Linux Linux kernel=3.4.15
Linux Linux kernel=3.4.16
Linux Linux kernel=3.4.17
Linux Linux kernel=3.4.18
Linux Linux kernel=3.4.19
Linux Linux kernel=3.4.20
Linux Linux kernel=3.4.21
Linux Linux kernel=3.4.22
Linux Linux kernel=3.4.23
Linux Linux kernel=3.4.24
Linux Linux kernel=3.4.25
Linux Linux kernel=3.4.26
Linux Linux kernel=3.4.27
Linux Linux kernel=3.4.28
Linux Linux kernel=3.4.29
Linux Linux kernel=3.4.30
Linux Linux kernel=3.4.31
Linux Linux kernel=3.4.32
Linux Linux kernel=3.5.1
Linux Linux kernel=3.5.2
Linux Linux kernel=3.5.3
Linux Linux kernel=3.5.4
Linux Linux kernel=3.5.5
Linux Linux kernel=3.5.6
Linux Linux kernel=3.5.7
Linux Linux kernel=3.6
Linux Linux kernel=3.6.1
Linux Linux kernel=3.6.2
Linux Linux kernel=3.6.3
Linux Linux kernel=3.6.4
Linux Linux kernel=3.6.5
Linux Linux kernel=3.6.6
Linux Linux kernel=3.6.7
Linux Linux kernel=3.6.8
Linux Linux kernel=3.6.9
Linux Linux kernel=3.6.10
Linux Linux kernel=3.6.11
Linux Linux kernel=3.7
Linux Linux kernel=3.7.1
Linux Linux kernel=3.7.2
Linux Linux kernel=3.7.3
Linux Linux kernel=3.7.4
Linux Linux kernel=3.7.5
Linux Linux kernel=3.7.6
Linux Linux kernel=3.7.7
Linux Linux kernel=3.7.8
Linux Linux kernel=3.7.9
Linux Linux kernel=3.7.10
Linux Linux kernel=3.8.0
Linux Linux kernel=3.8.1
Linux Linux kernel=3.8.2
Linux Linux kernel=3.8.3
Linux Linux kernel=3.8.4
Linux Linux kernel=3.8.5
Linux Linux kernel=3.8.6
Linux Linux kernel=3.8.7
Linux Linux kernel=3.8.8
Linux Linux kernel=3.8.9
Linux Linux kernel=3.8.10
Linux Linux kernel=3.8.11
Linux Linux kernel=3.8.12
Linux Linux kernel=3.8.13
Linux Linux kernel=3.9-rc1
Linux Linux kernel=3.9-rc2
Linux Linux kernel=3.9-rc3
Linux Linux kernel=3.9-rc4
Linux Linux kernel=3.9-rc5
Linux Linux kernel=3.9-rc6
Linux Linux kernel=3.9-rc7
Linux Linux kernel=3.9.0
Linux Linux kernel=3.9.1
Linux Linux kernel=3.9.2
Linux Linux kernel=3.9.3
Linux Linux kernel=3.9.4
Linux Linux kernel=3.9.5
Linux Linux kernel=3.9.6
Linux Linux kernel=3.9.7
Linux Linux kernel=3.9.8
Linux Linux kernel=3.9.9
Linux Linux kernel=3.9.10
Linux Linux kernel=3.9.11
Linux Linux kernel=3.10.1
Linux Linux kernel=3.10.2
Linux Linux kernel=3.10.3
Linux Linux kernel=3.10.4
Linux Linux kernel=3.10.5
Linux Linux kernel=3.10.6
Linux Linux kernel=3.10.7
Linux Linux kernel=3.10.8
Linux Linux kernel=3.10.9
Linux Linux kernel=3.10.10
Linux Linux kernel=3.10.11
Linux Linux kernel=3.10.12
Linux Linux kernel=3.10.13
Linux Linux kernel=3.10.14
Linux Linux kernel=3.10.15
Linux Linux kernel=3.10.16
Linux Linux kernel=3.10.17
Linux Linux kernel=3.10.18
Linux Linux kernel=3.11
Linux Linux kernel=3.11.1
Linux Linux kernel=3.11.2
Linux Linux kernel=3.11.3
Linux Linux kernel=3.11.4
Linux Linux kernel=3.11.5
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1
Upgrade
Upgrade linux kernel (net/wireless/radiotap.c cfg80211/ieee80211_radiotap_iterator_init) to a version that resolves this vulnerability.
Fixed in 3.11.7Patch f5563318ff1bde15b10e736e97ffce13be08bc1a
CVE-2013-7027 is classified as a potential denial-of-service vulnerability caused by buffer over-read in the Linux kernel's wireless configuration API.
2
How do I fix CVE-2013-7027?
The recommended fix for CVE-2013-7027 is to update the Linux kernel to version 3.11.7 or later.
3
Which versions of the Linux kernel are affected by CVE-2013-7027?
CVE-2013-7027 affects Linux kernel versions 3.0 through 3.11.6.
4
What is the potential impact of exploiting CVE-2013-7027?
Exploiting CVE-2013-7027 may lead to a denial-of-service condition, causing system instability.
5
Is there a workaround for CVE-2013-7027?
Currently, there are no official workarounds available for CVE-2013-7027 other than applying the recommended kernel updates.
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