Linux Kernel CVE Statistics

9 Linux Kernel CVEs in July 2021

Full month · Source: NIST NVD

June 2021 August 2021

In July 2021, 9 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 6 were rated High severity and 3 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. July's 9 CVEs represent 5% of all 2021 Linux kernel CVEs , down from June's 16 (a 44% month-over-month decrease) .

9
Total CVEs
0
Critical
6
High
3
Medium
0
Low
0
KEV Exploited
All CVEs — July 2021 9 CVEs
All (9) Critical (0) High (6) Medium (3) Low (0)
CVE ID Package Severity CVSS Published Description
CVE-2021-37576 linux High 7.8 2021-07-26 arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to …
CVE-2021-33909 linux High 7.8 2021-07-20 fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, …
CVE-2021-3612 linux High 7.8 2021-07-09 An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc…
CVE-2021-35039 linux High 7.8 2021-07-07 kernel/module.c in the Linux kernel before 5.12.14 mishandles Signature Verification, aka CID-0c18f29aae7c. Without CON…
CVE-2021-29657 linux High 7.4 2021-07-22 arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass …
CVE-2021-1090 linux High 7.1 2021-07-22 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handle…
CVE-2021-37159 linux Medium 6.4 2021-07-21 hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checkin…
CVE-2021-1094 linux Medium 6.1 2021-07-22 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handle…
CVE-2021-1095 linux Medium 5.5 2021-07-22 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handle…

Frequently Asked Questions

How many Linux kernel CVEs were published in July 2021?

9 Linux kernel CVEs were published in July 2021, sourced from the NIST National Vulnerability Database. Of these, 0 were rated Critical severity, 6 High, and 3 Medium.

How does July 2021 compare to other months?

July 2021's 9 CVEs represent 5% of all 2021 Linux kernel CVEs. Compared to June's 16 CVEs, this was a 44% decrease month-over-month. View the full 2021 breakdown →

June 2021 2021 statistics August 2021