| Name | CVE-2023-34320 |
| Description | Cortex-A77 cores (r0p0 and r1p0) are affected by erratum 1508412 where software, under certain circumstances, could deadlock a core due to the execution of either a load to device or non-cacheable memory, and either a store exclusive or register read of the Physical Address Register (PAR_EL1) in close proximity. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| xen (PTS) | buster, buster (security) | 4.11.4+107-gef32c7afa2-1 | vulnerable |
| bullseye | 4.14.6-1 | vulnerable | |
| bullseye (security) | 4.14.5+94-ge49571868d-1 | vulnerable | |
| bookworm | 4.17.3+10-g091466ba55-1~deb12u1 | fixed | |
| sid, trixie | 4.17.3+36-g54dacb5c02-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| xen | source | buster | (unfixed) | end-of-life | ||
| xen | source | bullseye | (unfixed) | end-of-life | ||
| xen | source | bookworm | 4.17.2+76-ge1f9cb16e2-1~deb12u1 | |||
| xen | source | (unstable) | 4.17.2-1 |
[bullseye] - xen <end-of-life> (EOLed in Bullseye)
[buster] - xen <end-of-life> (DSA 4677-1)
https://www.openwall.com/lists/oss-security/2023/08/01/1
https://xenbits.xen.org/xsa/advisory-436.html