xen: x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown securi...
CVE-2022-42331 is fixed in xen on 1 platform, first by DEBIAN-CVE-2022-42331, released March 21, 2023. It is not reported as exploited. Patch Radar priority: Routine.
x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xen · Debian 12.15 (bookworm) | 4.17.0+74-g3eac216e6e-1 | DEBIAN-CVE-2022-42331 | Mar 21, 2023 |
| xen · Debian 13.5 (trixie) | 4.17.0+74-g3eac216e6e-1 | DEBIAN-CVE-2022-42331 | Mar 21, 2023 |
| xen · Debian 14 | 4.17.0+74-g3eac216e6e-1 | DEBIAN-CVE-2022-42331 | Mar 21, 2023 |
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