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CVE-2015-3339

Status Candidate

Overview

Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.

Related Files

Red Hat Security Advisory 2015-2411-01
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2411-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2013-7421, CVE-2014-8171, CVE-2014-9419, CVE-2014-9644, CVE-2015-2925, CVE-2015-3339, CVE-2015-4170, CVE-2015-5283, CVE-2015-7613, CVE-2015-7837
MD5 | 6352129f9d3299a279e67a270853b009
Red Hat Security Advisory 2015-2152-02
Posted Nov 20, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-2152-02 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's file system implementation handled rename operations in which the source was inside and the destination was outside of a bind mount. A privileged user inside a container could use this flaw to escape the bind mount and, potentially, escalate their privileges on the system. A race condition flaw was found in the way the Linux kernel's IPC subsystem initialized certain fields in an IPC object structure that were later used for permission checking before inserting the object into a globally visible list. A local, unprivileged user could potentially use this flaw to elevate their privileges on the system.

tags | advisory, kernel, local
systems | linux, redhat
advisories | CVE-2010-5313, CVE-2013-7421, CVE-2014-3647, CVE-2014-7842, CVE-2014-8171, CVE-2014-9419, CVE-2014-9644, CVE-2015-0239, CVE-2015-2925, CVE-2015-3339, CVE-2015-4170, CVE-2015-5283, CVE-2015-6526, CVE-2015-7613, CVE-2015-7837
MD5 | 09dcc91b307a4f8109578372bf885600
Red Hat Security Advisory 2015-1272-01
Posted Jul 22, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1272-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way Linux kernel's Transparent Huge Pages implementation handled non-huge page migration. A local, unprivileged user could use this flaw to crash the kernel by migrating transparent hugepages. A buffer overflow flaw was found in the way the Linux kernel's eCryptfs implementation decoded encrypted file names. A local, unprivileged user could use this flaw to crash the system or, potentially, escalate their privileges on the system.

tags | advisory, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2014-3184, CVE-2014-3940, CVE-2014-4652, CVE-2014-8133, CVE-2014-8709, CVE-2014-9683, CVE-2015-0239, CVE-2015-3339
MD5 | 6400ad529057e84887065713ea52bbbf
Ubuntu Security Notice USN-2612-1
Posted May 20, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2612-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges. Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network (LAN) could potential exploit this flaw to cause a denial of service (system crash of targeted system). Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, ubuntu
advisories | CVE-2014-9715, CVE-2015-3339
MD5 | fc5b2826cb9b9b22c6487e3ccc0cf1a3
Ubuntu Security Notice USN-2597-1
Posted May 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2597-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | 432b2443f6ed59483625c7ac992e930e
Ubuntu Security Notice USN-2598-1
Posted May 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2598-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | a41201494f4cb831b8e6cb9faf0379bf
Ubuntu Security Notice USN-2599-1
Posted May 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2599-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | 4cd2c4bf1dbbf55b4fad61c09a042db6
Ubuntu Security Notice USN-2600-1
Posted May 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2600-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | 23fdd48fba559d7af562f062c22f1820
Ubuntu Security Notice USN-2596-1
Posted May 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2596-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | 5910e7401b491350110bf1c391bacb1f
Ubuntu Security Notice USN-2601-1
Posted May 6, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2601-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | a3fa56be77f1097fa369da94c6dcfa63
Ubuntu Security Notice USN-2583-1
Posted Apr 30, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2583-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | 2c8e5416d7103d2e668a54640642408f
Ubuntu Security Notice USN-2584-1
Posted Apr 30, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2584-1 - A race condition between chown() and execve() was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges.

tags | advisory, kernel, local
systems | linux, ubuntu
advisories | CVE-2015-3339
MD5 | 4dca05098936a638ce77cbbe512ce370
Debian Security Advisory 3237-1
Posted Apr 27, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3237-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2014-8159, CVE-2014-9715, CVE-2015-2041, CVE-2015-2042, CVE-2015-2150, CVE-2015-2830, CVE-2015-2922, CVE-2015-3331, CVE-2015-3332, CVE-2015-3339
MD5 | 3353c955b704e481b75f84524768c42c
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