CVE-2017-5548

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-02-06 · updated 2026-06-17
Weakness: CWE-119

Description

drivers/net/ieee802154/atusb.c in the Linux kernel 4.9.x before 4.9.6 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash or memory corruption) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

Affected products

Linux kernel: 4.9, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05a974efa4bdf6e2a150e3f27dc6fcf0a9ad5655
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6
http://www.openwall.com/lists/oss-security/2017/01/21/3
http://www.securityfocus.com/bid/95710
https://bugzilla.redhat.com/show_bug.cgi?id=1416110
https://github.com/torvalds/linux/commit/05a974efa4bdf6e2a150e3f27dc6fcf0a9ad5655
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05a974efa4bdf6e2a150e3f27dc6fcf0a9ad5655
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.6
http://www.openwall.com/lists/oss-security/2017/01/21/3
http://www.securityfocus.com/bid/95710
https://bugzilla.redhat.com/show_bug.cgi?id=1416110
https://github.com/torvalds/linux/commit/05a974efa4bdf6e2a150e3f27dc6fcf0a9ad5655

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