Linux Kernel CVE Statistics

38 Linux Kernel CVEs in July 2023

Full month · Source: NIST NVD

June 2023 August 2023

In July 2023, 38 Linux kernel CVEs were published, sourced from the NIST National Vulnerability Database. Of these, 7 were rated Critical, 18 were rated High severity and 13 Medium. No CVEs from this month have been confirmed as actively exploited via the CISA KEV catalog. July's 38 CVEs represent 14% of all 2023 Linux kernel CVEs , up from June's 30 (a 27% month-over-month increase) .

38
Total CVEs
7
Critical
18
High
13
Medium
0
Low
0
KEV Exploited
All CVEs — July 2023 38 CVEs
All (38) Critical (7) High (18) Medium (13) Low (0)
CVE ID Package Severity CVSS Published Description
CVE-2023-38429 linux Critical 9.8 2023-07-18 An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/connection.c in ksmbd has an off-by-one error in mem…
CVE-2023-38427 linux Critical 9.8 2023-07-18 An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and…
CVE-2023-38431 linux Critical 9.1 2023-07-18 An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the rel…
CVE-2023-38432 linux Critical 9.1 2023-07-18 An issue was discovered in the Linux kernel before 6.3.10. fs/smb/server/smb2misc.c in ksmbd does not validate the rela…
CVE-2023-38426 linux Critical 9.1 2023-07-18 An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals whe…
CVE-2023-38428 linux Critical 9.1 2023-07-18 An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserN…
CVE-2023-38430 linux Critical 9.1 2023-07-18 An issue was discovered in the Linux kernel before 6.3.9. ksmbd does not validate the SMB request protocol ID, leading …
CVE-2023-32258 linux High 8.1 2023-07-24 A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within …
CVE-2023-32257 linux High 8.1 2023-07-24 A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within …
CVE-2023-32250 linux High 8.1 2023-07-10 A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within …
CVE-2023-32254 linux High 8.1 2023-07-10 A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within …
CVE-2023-4004 linux High 7.8 2023-07-31 A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove functi…
CVE-2023-3812 linux High 7.8 2023-07-24 An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user g…
CVE-2023-3640 linux High 7.8 2023-07-24 A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to me…
CVE-2023-3611 linux High 7.8 2023-07-21 An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve loc…

Frequently Asked Questions

How many Linux kernel CVEs were published in July 2023?

38 Linux kernel CVEs were published in July 2023, sourced from the NIST National Vulnerability Database. Of these, 7 were rated Critical severity, 18 High, and 13 Medium.

How does July 2023 compare to other months?

July 2023's 38 CVEs represent 14% of all 2023 Linux kernel CVEs. Compared to June's 30 CVEs, this was a 27% increase month-over-month. View the full 2023 breakdown →

June 2023 2023 statistics August 2023