CVE-2021-29265

low-risk
Published 2021-03-26

An issue was discovered in the Linux kernel before 5.11.7. usbip_sockfd_store in drivers/usb/usbip/stub_dev.c allows attackers to cause a denial of service (GPF) because the stub-up sequence has race conditions during an update of the local and shared status, aka CID-9380afd6df70.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (2)

Affected Vendors

Debian Linux

References (6)

Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7
Patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9380...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.7
Patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9380...
Third Party Advisory https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
19
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 7/34 · Low