Linux Kernel CVE Statistics

21 Linux Kernel CVEs in August 2021

Full month · Source: NIST NVD

July 2021 September 2021

In August 2021, 21 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 5 were rated High severity and 12 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. August's 21 CVEs represent 14% of all 2021 Linux kernel CVEs , up from July's 6 (a 250% month-over-month increase) .

21
Total CVEs
0
Critical
5
High
12
Medium
4
Low
0
KEV Exploited
All CVEs — August 2021 21 CVEs
All (21) Critical (0) High (5) Medium (12) Low (4)
CVE ID Package Severity CVSS Published Description
CVE-2021-38160 linux High 7.8 2021-08-07 In drivers/char/virtio_console.c in the Linux kernel before 5.13.4, data corruption or loss can be triggered by an untr…
CVE-2021-38166 linux High 7.8 2021-08-07 In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when m…
CVE-2021-38201 linux High 7.5 2021-08-08 net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_b…
CVE-2021-38207 linux High 7.5 2021-08-08 drivers/net/ethernet/xilinx/ll_temac_main.c in the Linux kernel before 5.12.13 allows remote attackers to cause a denia…
CVE-2021-38202 linux High 7.5 2021-08-08 fs/nfsd/trace.h in the Linux kernel before 5.13.4 might allow remote attackers to cause a denial of service (out-of-bou…
CVE-2021-38204 linux Medium 6.8 2021-08-08 drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denia…
CVE-2021-38199 linux Medium 6.5 2021-08-08 fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators o…
CVE-2021-3573 linux Medium 6.4 2021-08-13 A use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls i…
CVE-2021-38203 linux Medium 5.5 2021-08-08 btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that tri…
CVE-2021-38200 linux Medium 5.5 2021-08-08 arch/powerpc/perf/core-book3s.c in the Linux kernel before 5.12.13, on systems with perf_event_paranoid=-1 and no speci…
CVE-2021-38206 linux Medium 5.5 2021-08-08 The mac80211 subsystem in the Linux kernel before 5.12.13, when a device supporting only 5 GHz is used, allows attacker…
CVE-2021-38208 linux Medium 5.5 2021-08-08 net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NU…
CVE-2021-38198 linux Medium 5.5 2021-08-08 arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shad…
CVE-2021-3679 linux Medium 5.5 2021-08-05 A lack of CPU resource in the Linux kernel tracing module functionality in versions prior to 5.14-rc3 was found in the …
CVE-2021-34556 linux Medium 5.5 2021-08-02 In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via…

Frequently Asked Questions

How many Linux kernel CVEs were published in August 2021?

21 Linux kernel CVEs were published in August 2021, sourced from the NIST National Vulnerability Database. Of these, 0 were rated Critical severity, 5 High, and 12 Medium.

How does August 2021 compare to other months?

August 2021's 21 CVEs represent 14% of all 2021 Linux kernel CVEs. Compared to July's 6 CVEs, this was a 250% increase month-over-month. View the full 2021 breakdown →

July 2021 2021 statistics September 2021