Linux Kernel CVE Statistics

29 Linux Kernel CVEs in April 2023

Full month · Source: NIST NVD

March 2023 May 2023

In April 2023, 29 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 8 were rated High severity and 21 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. April's 29 CVEs represent 11% of all 2023 Linux kernel CVEs , down from March's 42 (a 31% month-over-month decrease) .

29
Total CVEs
0
Critical
8
High
21
Medium
0
Low
0
KEV Exploited
All CVEs — April 2023 29 CVEs
All (29) Critical (0) High (8) Medium (21) 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-2023-2176 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-2023-1838 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-2023-2006 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…
CVE-2023-1872 linux High 7.0 2023-04-12 A use-after-free vulnerability in the Linux Kernel io_uring system can be exploited to achieve local privilege escalati…
CVE-2023-1989 linux High 7.0 2023-04-11 A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In this flaw, a cal…
CVE-2023-2194 linux Medium 6.7 2023-04-20 An out-of-bounds write vulnerability was found in the Linux kernel's SLIMpro I2C device driver. The userspace "data->bl…
CVE-2023-30456 linux Medium 6.5 2023-04-10 An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency…
CVE-2023-30772 linux Medium 6.4 2023-04-16 The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/power/supply/da9150-charger.…
CVE-2023-1855 linux Medium 6.3 2023-04-05 A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux K…
CVE-2023-1611 linux Medium 6.3 2023-04-03 A use-after-free flaw was found in btrfs_search_slot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows …
CVE-2023-1998 linux Medium 5.6 2023-04-21 The Linux kernel allows userspace processes to enable mitigations by calling prctl with PR_SET_SPECULATION_CTRL which d…
CVE-2023-31081 linux Medium 5.5 2023-04-24 An issue was discovered in drivers/media/test-drivers/vidtv/vidtv_bridge.c in the Linux kernel 6.2. There is a NULL poi…

Frequently Asked Questions

How many Linux kernel CVEs were published in April 2023?

29 Linux kernel CVEs were published in April 2023, sourced from the NIST National Vulnerability Database. Of these, 0 were rated Critical severity, 8 High, and 21 Medium.

How does April 2023 compare to other months?

April 2023's 29 CVEs represent 11% of all 2023 Linux kernel CVEs. Compared to March's 42 CVEs, this was a 31% decrease month-over-month. View the full 2023 breakdown →

March 2023 2023 statistics May 2023