CVE-2014-2739

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-04-14 · updated 2026-06-17
Weakness: CWE-20

Description

The cma_req_handler function in drivers/infiniband/core/cma.c in the Linux kernel 3.14.x through 3.14.1 attempts to resolve an RDMA over Converged Ethernet (aka RoCE) address that is properly resolved within a different module, which allows remote attackers to cause a denial of service (incorrect pointer dereference and system crash) via crafted network traffic.

Affected products

Linux kernel: 3.14-rc1, 3.14-rc2, 3.14-rc3, 3.14-rc4, 3.14-rc5, 3.14-rc6 (+3)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b2853fd6c2d0f383dbdf7427e263eb576a633867
http://www.openwall.com/lists/oss-security/2014/04/10/9
http://www.securityfocus.com/bid/66716
https://bugzilla.redhat.com/show_bug.cgi?id=1085415
https://github.com/torvalds/linux/commit/b2853fd6c2d0f383dbdf7427e263eb576a633867
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b2853fd6c2d0f383dbdf7427e263eb576a633867
http://www.openwall.com/lists/oss-security/2014/04/10/9
http://www.securityfocus.com/bid/66716
https://bugzilla.redhat.com/show_bug.cgi?id=1085415
https://github.com/torvalds/linux/commit/b2853fd6c2d0f383dbdf7427e263eb576a633867

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