Linux Kernel CVE Statistics

18 Linux Kernel CVEs in October 2023

Full month · Source: NIST NVD

September 2023 November 2023

In October 2023, 18 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 6 were rated High severity and 12 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. October's 18 CVEs represent 6% of all 2023 Linux kernel CVEs , down from September's 20 (a 10% month-over-month decrease) .

18
Total CVEs
0
Critical
6
High
12
Medium
0
Low
0
KEV Exploited
All CVEs — October 2023 18 CVEs
All (18) Critical (0) High (6) Medium (12) Low (0)
CVE ID Package Severity CVSS Published Description
CVE-2023-39191 linux High 8.2 2023-10-04 An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack o…
CVE-2023-5717 linux High 7.8 2023-10-25 A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events (perf) component can be …
CVE-2023-45898 linux High 7.8 2023-10-16 The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.
CVE-2023-5345 linux High 7.8 2023-10-03 A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privileg…
CVE-2023-45871 linux High 7.5 2023-10-15 An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3…
CVE-2023-46813 linux High 7.0 2023-10-27 An issue was discovered in the Linux kernel before 6.5.9, exploitable by local users with userspace access to MMIO regi…
CVE-2023-45863 linux Medium 6.4 2023-10-14 An issue was discovered in lib/kobject.c in the Linux kernel before 6.2.3. With root access, an attacker can trigger a …
CVE-2023-40791 linux Medium 6.3 2023-10-16 extract_user_to_sg in lib/scatterlist.c in the Linux kernel before 6.4.12 fails to unpin pages in a certain situation, …
CVE-2023-39189 linux Medium 6.0 2023-10-09 A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate th…
CVE-2023-39192 linux Medium 6.0 2023-10-09 A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the x…
CVE-2023-39193 linux Medium 6.0 2023-10-09 A flaw was found in the Netfilter subsystem in the Linux kernel. The sctp_mt_check did not validate the flag_count fiel…
CVE-2023-45862 linux Medium 5.5 2023-10-14 An issue was discovered in drivers/usb/storage/ene_ub6250.c for the ENE UB6250 reader driver in the Linux kernel before…
CVE-2023-42752 linux Medium 5.5 2023-10-13 An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in …
CVE-2023-42755 linux Medium 5.5 2023-10-05 A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may …
CVE-2023-42754 linux Medium 5.5 2023-10-05 A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer (skb) was assumed to be ass…

Frequently Asked Questions

How many Linux kernel CVEs were published in October 2023?

18 Linux kernel CVEs were published in October 2023, sourced from the NIST National Vulnerability Database. Of these, 0 were rated Critical severity, 6 High, and 12 Medium.

How does October 2023 compare to other months?

October 2023's 18 CVEs represent 6% of all 2023 Linux kernel CVEs. Compared to September's 20 CVEs, this was a 10% decrease month-over-month. View the full 2023 breakdown →

September 2023 2023 statistics November 2023