CVE-2012-6536
published 2013-03-15CVE-2012-6536: net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which…
PriorityP45low2.1CVSS 2.0
AVLACLAuNCPINAN
EPSS
0.37%
29.6th percentile
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
Affected
165 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 3.2.32-1 (bookworm) | linux 3.2.32-1 (bookworm) |
| linux | linux_kernel | <= 3.5.7 | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
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CVSS provenance
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
osv2.1LOW
vendor_ubuntu4.9MEDIUM
vendor_debian2.1LOW
vendor_redhat2.1LOW
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Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem
that can expose stale data. An unprivileged user could exploit this flaw to
cause an information leak. (CVE-2012-4508)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the contents of
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the contents of kernel memory. (CVE-2012-6536)
Mathias Krause discovered several errors in the Linux kernel's xfrm_user
implementation. A local attacker could exploit these flaws to examine parts
of kernel m
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the contents of kernel memory. (CVE-2012-6536)
Mathias Krause discovered several errors in the Linux kernel's xfrm_user
implementation. A local attacker could exploit these flaws to examine parts
of kernel m
Ubuntu
Linux kernel (OMAP4) vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel (OMAP4) vulnerabilities
Title: Linux kernel (OMAP4) vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem
that can expose stale data. An unprivileged user could exploit this flaw to
cause an information leak. (CVE-2012-4508)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the con
Ubuntu
Linux kernel (OMAP4) vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel (OMAP4) vulnerabilities
Title: Linux kernel (OMAP4) vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the contents of kernel memory. (CVE-2012-6536)
Mathias Krause discovered several errors in the Linux kernel's xfrm_user
implementation. A local attacker could exploit these flaws to examine parts
of
Ubuntu
Linux kernel (Oneiric backport) vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel (Oneiric backport) vulnerabilities
Title: Linux kernel (Oneiric backport) vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the contents of kernel memory. (CVE-2012-6536)
Mathias Krause discovered several errors in the Linux kernel's xfrm_user
implementation. A local attacker could exploit these flaws to examin
Ubuntu
Linux kernel (OMAP4) vulnerabilities
vendor_ubuntu·2012-11-30·CVSS 4.9
CVE-2012-0957 [MEDIUM] Linux kernel (OMAP4) vulnerabilities
Title: Linux kernel (OMAP4) vulnerabilities
Summary: Several security issues were fixed in the kernel.
Brad Spengler discovered a flaw in the Linux kernel's uname system call. An
unprivileged user could exploit this flaw to read kernel stack memory.
(CVE-2012-0957)
Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause a
denial of service. (CVE-2012-4565)
Mathias Krause discovered a flaw in the Linux kernel's XFRM netlink
interface. A local user with the NET_ADMIN capability could exploit this
flaw to leak the contents of kernel memory. (CVE-2012-6536)
Mathias Krause discovered several errors in the Linux kernel's xfrm_user
implementation. A local attacker could exploit these flaws to examine parts
of
Red Hat
Kernel: xfrm_user: ensure user supplied esn replay window is valid
vendor_redhat·2012-09-20·CVSS 2.1
CVE-2012-6536 [LOW] Kernel: xfrm_user: ensure user supplied esn replay window is valid
Kernel: xfrm_user: ensure user supplied esn replay window is valid
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
Statement: This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
Package: kernel (Red Hat Enterprise Linux 5) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: realtime-kernel (Red Hat Enterprise MRG 2) - Not affected
Debian
CVE-2012-6536: linux - net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the act...
vendor_debian·2012·CVSS 2.1
CVE-2012-6536 [LOW] CVE-2012-6536: linux - net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the act...
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
Scope: local
bookworm: resolved (fixed in 3.2.32-1)
bullseye: resolved (fixed in 3.2.32-1)
forky: resolved (fixed in 3.2.32-1)
sid: resolved (fixed in 3.2.32-1)
trixie: resolved (fixed in 3.2.32-1)
GHSA
GHSA-rxcj-6763-q884: net/xfrm/xfrm_user
ghsa_unreviewed·2022-05-17
CVE-2012-6536 [LOW] CWE-200 GHSA-rxcj-6763-q884: net/xfrm/xfrm_user
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
OSV
CVE-2012-6536: net/xfrm/xfrm_user
osv·2013-03-15·CVSS 2.1
CVE-2012-6536 [LOW] CVE-2012-6536: net/xfrm/xfrm_user
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
No detection rules found.
No public exploits indexed.
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ecd7918745234e423dd87fcc0c077da557909720http://www.openwall.com/lists/oss-security/2013/03/05/13https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ecd7918745234e423dd87fcc0c077da557909720http://www.openwall.com/lists/oss-security/2013/03/05/13https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2
2013-03-15
Published