vulnerability
Ubuntu: (CVE-2022-4543): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:C/I:N/A:N) | Jan 11, 2023 | Jun 26, 2025 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
Jan 11, 2023
Added
Jun 26, 2025
Modified
Mar 27, 2026
Description
A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.
Solution
no-fix-ubuntu-package
References
- CVE-2022-4543
- https://attackerkb.com/topics/CVE-2022-4543
- CWE-200
- CWE-203
- EUVD-EUVD-2022-51878
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-51878
- https://github.com/KSPP/linux/issues/361
- https://www.cve.org/CVERecord?id=CVE-2022-4543
- https://www.openwall.com/lists/oss-security/2022/12/16/3
- https://www.willsroot.io/2022/12/entrybleed.html
Rapid7 Labs
2026 Global Threat Landscape Report
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