CVE-2023-4732
In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
Description
A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.
- CVSS 3.1
- 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.18% probability · 8th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-366, CWE-362
- Affected
- linux/linux kernel · redhat/codeready linux builder · redhat/codeready linux builder for arm64 · redhat/codeready linux builder for power little endian · redhat/enterprise linux · redhat/enterprise linux for arm 64 · redhat/enterprise linux for ibm z systems · redhat/enterprise linux for power little endian · redhat/enterprise linux for real time · redhat/enterprise linux for real time for nfv
- Source
- secalert@redhat.com
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://access.redhat.com/errata/RHSA-2023:6901Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7539Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/security/cve/CVE-2023-4732Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2236982Issue Tracking, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:6901Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7077Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7539Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0412
- https://access.redhat.com/security/cve/CVE-2023-4732Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2236982Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.