CVE-2013-2547

Severity: low (CVSS 2.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-03-15 · updated 2026-06-16
Weakness: CWE-310

Description

The crypto_report_one function in crypto/crypto_user.c in the report API in the crypto user configuration API in the Linux kernel through 3.8.2 does not initialize certain structure members, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.

Affected products

Linux kernel: through 3.8.2; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+209)
RedHat Enterprise Mrg: 2.0

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/03/05/13
http://www.ubuntu.com/usn/USN-1793-1
http://www.ubuntu.com/usn/USN-1794-1
http://www.ubuntu.com/usn/USN-1795-1
http://www.ubuntu.com/usn/USN-1796-1
http://www.ubuntu.com/usn/USN-1797-1
https://github.com/torvalds/linux/commit/9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html

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