What’s Vulnerable › Vulnerabilities

CVE-2014-9914

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-07 · updated 2026-06-17
• Weakness: CWE-362

Description

Race condition in the ip4_datagram_release_cb function in net/ipv4/datagram.c in the Linux kernel before 3.15.2 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect expectations about locking during multithreaded access to internal data structures for IPv4 UDP sockets.

Affected products

• Android: through 7.1.1
• Linux kernel: from 3.7.8 before 3.10.45; from 3.11 before 3.12.23; from 3.13 before 3.14.9; from 3.15 before 3.15.2 — fixed in 3.10.45, 3.12.23, 3.14.9, 3.15.2

How to fix

Upgrade to a fixed version: Linux kernel 3.10.45, 3.12.23, 3.14.9, 3.15.2. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9709674e68646cee5a24e3000b3558d25412203a
• http://source.android.com/security/bulletin/2017-02-01.html
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
• http://www.securityfocus.com/bid/96100
• http://www.securitytracker.com/id/1037798
• https://github.com/torvalds/linux/commit/9709674e68646cee5a24e3000b3558d25412203a
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9709674e68646cee5a24e3000b3558d25412203a
• http://source.android.com/security/bulletin/2017-02-01.html
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
• http://www.securityfocus.com/bid/96100
• http://www.securitytracker.com/id/1037798
• https://github.com/torvalds/linux/commit/9709674e68646cee5a24e3000b3558d25412203a

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