CVE-2017-6348

Severity: medium (CVSS 5.5 v3.0)
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: 2017-03-01 · updated 2026-06-17

Description

The hashbin_delete function in net/irda/irqueue.c in the Linux kernel before 4.9.13 improperly manages lock dropping, which allows local users to cause a denial of service (deadlock) via crafted operations on IrDA devices.

Affected products

Linux kernel: through 4.9.12

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c03b862b12f980456f9de92db6d508a4999b788
http://www.debian.org/security/2017/dsa-3804
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
http://www.openwall.com/lists/oss-security/2017/02/28/4
http://www.securityfocus.com/bid/96483
https://github.com/torvalds/linux/commit/4c03b862b12f980456f9de92db6d508a4999b788
https://usn.ubuntu.com/3754-1/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c03b862b12f980456f9de92db6d508a4999b788
http://www.debian.org/security/2017/dsa-3804
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
http://www.openwall.com/lists/oss-security/2017/02/28/4
http://www.securityfocus.com/bid/96483

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