Linux Kernel CVE Statistics

20 Linux Kernel CVEs in September 2023

Full month · Source: NIST NVD

August 2023 October 2023

In September 2023, 20 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 12 were rated High severity and 5 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. September's 20 CVEs represent 7% of all 2023 Linux kernel CVEs , up from August's 14 (a 43% month-over-month increase) .

20
Total CVEs
0
Critical
12
High
5
Medium
1
Low
0
KEV Exploited
All CVEs — September 2023 20 CVEs
All (20) Critical (0) High (12) Medium (5) Low (1)
CVE ID Package Severity CVSS Published Description
CVE-2023-4881 linux Awaiting NVD 2023-09-11 Rejected reason: CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux ke…
CVE-2023-4705 linux Awaiting NVD 2023-09-06 Rejected reason: CVE-2023-4705 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux ke…
CVE-2023-44466 linux High 8.8 2023-09-29 An issue was discovered in net/ceph/messenger_v2.c in the Linux kernel before 6.4.5. There is an integer signedness err…
CVE-2023-2163 linux High 8.8 2023-09-20 Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, re…
CVE-2023-42753 linux High 7.8 2023-09-25 An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to…
CVE-2023-4921 linux High 7.8 2023-09-12 A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local pri…
CVE-2023-4208 linux High 7.8 2023-09-06 A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local pri…
CVE-2023-4623 linux High 7.8 2023-09-06 A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be …
CVE-2023-4207 linux High 7.8 2023-09-06 A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local priv…
CVE-2023-3777 linux High 7.8 2023-09-06 A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local p…
CVE-2023-4206 linux High 7.8 2023-09-06 A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to achieve local p…
CVE-2023-4015 linux High 7.8 2023-09-06 A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local p…
CVE-2023-4244 linux High 7.0 2023-09-06 A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local p…
CVE-2023-4622 linux High 7.0 2023-09-06 A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege esca…
CVE-2023-41325 linux Medium 6.7 2023-09-15 OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cort…

Frequently Asked Questions

How many Linux kernel CVEs were published in September 2023?

20 Linux kernel CVEs were published in September 2023, sourced from the NIST National Vulnerability Database. Of these, 0 were rated Critical severity, 12 High, and 5 Medium. 2 CVEs are still awaiting NVD severity scoring.

How does September 2023 compare to other months?

September 2023's 20 CVEs represent 7% of all 2023 Linux kernel CVEs. Compared to August's 14 CVEs, this was a 43% increase month-over-month. View the full 2023 breakdown →

August 2023 2023 statistics October 2023