CVE-2014-9419
Vulnerability from cvelistv5
Published
2014-12-26 00:00
Modified
2024-08-06 13:40
Severity ?
Summary
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel through 3.18.1 does not ensure that Thread Local Storage (TLS) descriptors are loaded before proceeding with other steps, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application that reads a TLS base address.
References
cve@mitre.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f647d7c155f069c1a068030255c300663516420e
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html
cve@mitre.orghttp://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2015-1081.html
cve@mitre.orghttp://www.debian.org/security/2015/dsa-3128
cve@mitre.orghttp://www.mandriva.com/security/advisories?name=MDVSA-2015:058
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2014/12/25/1
cve@mitre.orghttp://www.securityfocus.com/bid/71794
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2515-1
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2516-1
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2517-1
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2518-1
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2541-1
cve@mitre.orghttp://www.ubuntu.com/usn/USN-2542-1
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1177260Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/f647d7c155f069c1a068030255c300663516420e
Impacted products
n/an/a
Show details on NVD website

To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2014-9419\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2014-12-26T00:59:00.053\",\"lastModified\":\"2023-11-07T02:23:04.887\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel through 3.18.1 does not ensure that Thread Local Storage (TLS) descriptors are loaded before proceeding with other steps, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application that reads a TLS base address.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n The __switch_to en arch/x86/kernel/process_64.c en el Kernel de Linux a trav\u00e9s de 3.18.1 no asegura que los descriptores Thread Local Storage (TLS) se carguen antes de proceder con otros pasos, lo que que sea m\u00e1s f\u00e1cil para los usuarios locales evadir el mecanismo de protecci\u00f3n ASLR a trav\u00e9s de una aplicaci\u00f3n modificada que lee una direcci\u00f3n base TLS\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:N\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":2.1},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-200\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"3.18.1\",\"matchCriteriaId\":\"FCF3010D-AEF1-46B8-82CE-35394E07057A\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f647d7c155f069c1a068030255c300663516420e\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2015-1081.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.debian.org/security/2015/dsa-3128\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2015:058\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2014/12/25/1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/71794\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2515-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2516-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2517-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2518-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2541-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.ubuntu.com/usn/USN-2542-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1177260\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/f647d7c155f069c1a068030255c300663516420e\",\"source\":\"cve@mitre.org\"}]}}"
  }
}


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