How severe is CVE-2023-52755?

CVE-2023-52755 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-52755 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-52755?

CVE-2023-52755 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-52755?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-52755 have an EU (EUVD) identifier?

Yes. CVE-2023-52755 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59641.

When was CVE-2023-52755 published?

CVE-2023-52755 was published on 2024-05-21 and last updated on 2026-06-17.

CVE-2023-52755

CVE-2023-52755 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 8.4. Its EPSS exploit-prediction score of 27% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 27% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59641
Weakness: CWE-787
Affected product: Linux Linux Kernel
Published: 2024-05-21
Last modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offsets using allocation size.

Frequently asked questions

What is CVE-2023-52755?: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offsets using allocation size.
How severe is CVE-2023-52755?: CVE-2023-52755 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-52755 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 27% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-52755?: CVE-2023-52755 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-52755?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-52755 have an EU (EUVD) identifier?: Yes. CVE-2023-52755 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59641.
When was CVE-2023-52755 published?: CVE-2023-52755 was published on 2024-05-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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