medium
4.9
CWE
189
Advisory Published
CVE Published
Updated

CVE-2013-4483

First published: Wed Oct 30 2013(Updated: )

A flaw was found in the way ipc_rcu_putref() function handled reference counter decrementing. Without external synchronization reference counter might not be adjusted properly, as presented with the freeque() vs do_msgsnd() race, leading to memory leaks. An unprivileged local user could use this flaw to cause OOM conditions, potentially crashing the system. References: <a href="https://wiki.openvz.org/Download/kernel/rhel6-testing/042stab084.3">https://wiki.openvz.org/Download/kernel/rhel6-testing/042stab084.3</a> Upstream patch: <a href="http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6062a8">http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6062a8</a> (making the refcounter atomic hunks) Acknowledgements: Red Hat would like to thank Vladimir Davydov (Parallels) for reporting this issue.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux kernel<=3.9.11
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=3.0.45
Linux kernel=3.0.46
Linux kernel=3.0.47
Linux kernel=3.0.48
Linux kernel=3.0.49
Linux kernel=3.0.50
Linux kernel=3.0.51
Linux kernel=3.0.52
Linux kernel=3.0.53
Linux kernel=3.0.54
Linux kernel=3.0.55
Linux kernel=3.0.56
Linux kernel=3.0.57
Linux kernel=3.0.58
Linux kernel=3.0.59
Linux kernel=3.0.60
Linux kernel=3.0.61
Linux kernel=3.0.62
Linux kernel=3.0.63
Linux kernel=3.0.64
Linux kernel=3.0.65
Linux kernel=3.0.66
Linux kernel=3.0.67
Linux kernel=3.0.68
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=3.2
Linux kernel=3.2-rc2
Linux kernel=3.2-rc3
Linux kernel=3.2-rc4
Linux kernel=3.2-rc5
Linux kernel=3.2-rc6
Linux kernel=3.2-rc7
Linux kernel=3.2.1
Linux kernel=3.2.2
Linux kernel=3.2.3
Linux kernel=3.2.4
Linux kernel=3.2.5
Linux kernel=3.2.6
Linux kernel=3.2.7
Linux kernel=3.2.8
Linux kernel=3.2.9
Linux kernel=3.2.10
Linux kernel=3.2.11
Linux kernel=3.2.12
Linux kernel=3.2.13
Linux kernel=3.2.14
Linux kernel=3.2.15
Linux kernel=3.2.16
Linux kernel=3.2.17
Linux kernel=3.2.18
Linux kernel=3.2.19
Linux kernel=3.2.20
Linux kernel=3.2.21
Linux kernel=3.2.22
Linux kernel=3.2.23
Linux kernel=3.2.24
Linux kernel=3.2.25
Linux kernel=3.2.26
Linux kernel=3.2.27
Linux kernel=3.2.28
Linux kernel=3.2.29
Linux kernel=3.2.30
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=3.4.6
Linux kernel=3.4.7
Linux kernel=3.4.8
Linux kernel=3.4.9
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=3.4.25
Linux kernel=3.4.26
Linux kernel=3.4.27
Linux kernel=3.4.28
Linux kernel=3.4.29
Linux kernel=3.4.30
Linux kernel=3.4.31
Linux kernel=3.4.32
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
Linux kernel=3.7.1
Linux kernel=3.7.2
Linux kernel=3.7.3
Linux kernel=3.7.4
Linux kernel=3.7.5
Linux kernel=3.7.6
Linux kernel=3.7.7
Linux kernel=3.7.8
Linux kernel=3.7.9
Linux kernel=3.7.10
Linux kernel=3.8.0
Linux kernel=3.8.1
Linux kernel=3.8.2
Linux kernel=3.8.3
Linux kernel=3.8.4
Linux kernel=3.8.5
Linux kernel=3.8.6
Linux kernel=3.8.7
Linux kernel=3.8.8
Linux kernel=3.8.9
Linux kernel=3.8.10
Linux kernel=3.8.11
Linux kernel=3.8.12
Linux kernel=3.8.13
Linux kernel=3.9-rc1
Linux kernel=3.9-rc2
Linux kernel=3.9-rc3
Linux kernel=3.9-rc4
Linux kernel=3.9-rc5
Linux kernel=3.9-rc6
Linux kernel=3.9-rc7
Linux kernel=3.9.0
Linux kernel=3.9.1
Linux kernel=3.9.2
Linux kernel=3.9.3
Linux kernel=3.9.4
Linux kernel=3.9.5
Linux kernel=3.9.6
Linux kernel=3.9.7
Linux kernel=3.9.8
Linux kernel=3.9.9
Linux kernel=3.9.10

Remedy

http://www.openwall.com/lists/oss-security/2013/10/30/4

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1024854

Remedy

https://github.com/torvalds/linux/commit/6062a8dc0517bce23e3c2f7d2fea5e22411269a3

Remedy

https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.10.bz2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-4483?

    CVE-2013-4483 is classified as a moderate severity vulnerability due to potential memory leaks from improper reference counter management.

  • How do I fix CVE-2013-4483?

    To fix CVE-2013-4483, upgrade to a patched version of the Linux Kernel, specifically version 5.10.223-1 or later.

  • Who can exploit CVE-2013-4483?

    An unprivileged local user can exploit CVE-2013-4483 by triggering race conditions in the kernel.

  • What systems are affected by CVE-2013-4483?

    CVE-2013-4483 affects multiple versions of the Linux Kernel, including versions up to 3.9.11 and various 3.0 release candidates.

  • What types of vulnerabilities are related to CVE-2013-4483?

    CVE-2013-4483 is related to race condition vulnerabilities that can lead to improper memory management and potential leakage.

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