Linux Kernel CVE Statistics

43 Linux Kernel CVEs in April 2023

Full month · Source: NIST NVD

March 2023 May 2023

In April 2023, 43 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 17 were rated High severity and 26 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. April's 43 CVEs represent 15% of all 2023 Linux kernel CVEs , down from March's 45 (a 4% month-over-month decrease) .

43
Total CVEs
0
Critical
17
High
26
Medium
0
Low
0
KEV Exploited
All CVEs — April 2023 43 CVEs
All (43) Critical (0) High (17) Medium (26) Low (0)
CVE ID Package Severity CVSS Published Description
CVE-2023-31436 linux High 7.8 2023-04-28 qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax ca…
CVE-2023-30549 linux High 7.8 2023-04-25 Apptainer is an open source container platform for Linux. There is an ext4 use-after-free flaw that is exploitable thro…
CVE-2023-0184 linux High 7.8 2023-04-22 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer handler which may lea…
CVE-2023-2176 linux High 7.8 2023-04-20 A vulnerability was found in compare_netdev_and_ip in drivers/infiniband/core/cma.c in RDMA in the Linux Kernel. The im…
CVE-2023-2008 linux High 7.8 2023-04-14 A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issu…
CVE-2023-1829 linux High 7.8 2023-04-12 A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve l…
CVE-2023-0189 linux High 7.8 2023-04-01 NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer handler which may lead to code ex…
CVE-2023-0198 linux High 7.8 2023-04-01 NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer, where improper restriction of op…
CVE-2023-1838 linux High 7.1 2023-04-05 A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the L…
CVE-2023-0183 linux High 7.1 2023-04-01 NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer where an out-of-bounds write can …
CVE-2023-0181 linux High 7.1 2023-04-01 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in a kernel mode layer handler, where memory p…
CVE-2023-0180 linux High 7.1 2023-04-01 NVIDIA GPU Display Driver for Linux contains a vulnerability in a kernel mode layer handler, which may lead to denial o…
CVE-2023-0191 linux High 7.1 2023-04-01 NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer handler, where an out…
CVE-2023-0185 linux High 7.1 2023-04-01 NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode layer, where sign conversion issuescast…
CVE-2023-2006 linux High 7.0 2023-04-24 A race condition was found in the Linux kernel's RxRPC network protocol, within the processing of RxRPC bundles. This i…

Frequently Asked Questions

How many Linux kernel CVEs were published in April 2023?

43 Linux kernel CVEs were published in April 2023, sourced from the NIST National Vulnerability Database. Of these, 0 were rated Critical severity, 17 High, and 26 Medium.

How does April 2023 compare to other months?

April 2023's 43 CVEs represent 15% of all 2023 Linux kernel CVEs. Compared to March's 45 CVEs, this was a 4% decrease month-over-month. View the full 2023 breakdown →

March 2023 2023 statistics May 2023