medium
4.9
Advisory Published
CVE Published
Updated

CVE-2012-5532

First published: Fri Nov 16 2012(Updated: )

Florian Weimer of the Red Hat Product Security Team discovered that hypervkvpd would exit when it processed a spoofed Netlink packet that had been sent from an untrusted local user, in the following code: len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0, addr_p, &addr_l); if (len < 0 || addr.nl_pid) { syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s", addr.nl_pid, errno, strerror(errno)); close(fd); return -1; } Acknowledgements: This issue was discovered by Florian Weimer of the Red Hat Product Security Team.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/linux-2.6
debian/linux-tools
Linux kernel<=3.7.1
Linux kernel=3.0-rc1
Linux kernel=3.0-rc2
Linux kernel=3.0-rc3
Linux kernel=3.0-rc4
Linux kernel=3.0-rc5
Linux kernel=3.0-rc6
Linux kernel=3.0-rc7
Linux kernel=3.0.1
Linux kernel=3.0.2
Linux kernel=3.0.3
Linux kernel=3.0.4
Linux kernel=3.0.5
Linux kernel=3.0.6
Linux kernel=3.0.7
Linux kernel=3.0.8
Linux kernel=3.0.9
Linux kernel=3.0.10
Linux kernel=3.0.11
Linux kernel=3.0.12
Linux kernel=3.0.13
Linux kernel=3.0.14
Linux kernel=3.0.15
Linux kernel=3.0.16
Linux kernel=3.0.17
Linux kernel=3.0.18
Linux kernel=3.0.19
Linux kernel=3.0.20
Linux kernel=3.0.21
Linux kernel=3.0.22
Linux kernel=3.0.23
Linux kernel=3.0.24
Linux kernel=3.0.25
Linux kernel=3.0.26
Linux kernel=3.0.27
Linux kernel=3.0.28
Linux kernel=3.0.29
Linux kernel=3.0.30
Linux kernel=3.0.31
Linux kernel=3.0.32
Linux kernel=3.0.33
Linux kernel=3.0.34
Linux kernel=3.0.35
Linux kernel=3.0.36
Linux kernel=3.0.37
Linux kernel=3.0.38
Linux kernel=3.0.39
Linux kernel=3.0.40
Linux kernel=3.0.41
Linux kernel=3.0.42
Linux kernel=3.0.43
Linux kernel=3.0.44
Linux kernel=3.1
Linux kernel=3.1-rc1
Linux kernel=3.1-rc2
Linux kernel=3.1-rc3
Linux kernel=3.1-rc4
Linux kernel=3.1.1
Linux kernel=3.1.2
Linux kernel=3.1.3
Linux kernel=3.1.4
Linux kernel=3.1.5
Linux kernel=3.1.6
Linux kernel=3.1.7
Linux kernel=3.1.8
Linux kernel=3.1.9
Linux kernel=3.1.10
Linux kernel=3.3
Linux kernel=3.3-rc1
Linux kernel=3.3-rc2
Linux kernel=3.3-rc3
Linux kernel=3.3-rc4
Linux kernel=3.3-rc5
Linux kernel=3.3-rc6
Linux kernel=3.3-rc7
Linux kernel=3.3.1
Linux kernel=3.3.2
Linux kernel=3.3.3
Linux kernel=3.3.4
Linux kernel=3.3.5
Linux kernel=3.3.6
Linux kernel=3.3.7
Linux kernel=3.3.8
Linux kernel=3.4
Linux kernel=3.4-rc1
Linux kernel=3.4-rc2
Linux kernel=3.4-rc3
Linux kernel=3.4-rc4
Linux kernel=3.4-rc5
Linux kernel=3.4-rc6
Linux kernel=3.4-rc7
Linux kernel=3.4.1
Linux kernel=3.4.2
Linux kernel=3.4.3
Linux kernel=3.4.4
Linux kernel=3.4.5
Linux kernel=3.4.10
Linux kernel=3.4.11
Linux kernel=3.4.12
Linux kernel=3.4.13
Linux kernel=3.4.14
Linux kernel=3.4.15
Linux kernel=3.4.16
Linux kernel=3.4.17
Linux kernel=3.4.18
Linux kernel=3.4.19
Linux kernel=3.4.20
Linux kernel=3.4.21
Linux kernel=3.4.22
Linux kernel=3.4.23
Linux kernel=3.4.24
Linux kernel=3.5.1
Linux kernel=3.5.2
Linux kernel=3.5.3
Linux kernel=3.5.4
Linux kernel=3.5.5
Linux kernel=3.5.6
Linux kernel=3.5.7
Linux kernel=3.6
Linux kernel=3.6.1
Linux kernel=3.6.2
Linux kernel=3.6.3
Linux kernel=3.6.4
Linux kernel=3.6.5
Linux kernel=3.6.6
Linux kernel=3.6.7
Linux kernel=3.6.8
Linux kernel=3.6.9
Linux kernel=3.6.10
Linux kernel=3.6.11
Linux kernel=3.7

Remedy

http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-5532?

    CVE-2012-5532 has been classified with a severity level that indicates potential denial of service risks.

  • How do I fix CVE-2012-5532?

    To fix CVE-2012-5532, ensure you apply available patches or upgrade to a secure version of the Linux Kernel that addresses the vulnerability.

  • What systems are affected by CVE-2012-5532?

    CVE-2012-5532 affects various versions of the Linux Kernel, particularly those up to version 3.7.1.

  • What are the potential impacts of CVE-2012-5532?

    Exploitation of CVE-2012-5532 can lead to unexpected crashes or system instability.

  • Who discovered CVE-2012-5532 and when?

    Florian Weimer of the Red Hat Product Security Team discovered CVE-2012-5532.

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