| Name | CVE-2022-47630 |
| Description | Trusted Firmware-A through 2.8 has an out-of-bounds read in the X.509 parser for parsing boot certificates. This affects downstream use of get_ext and auth_nvctr. Attackers might be able to trigger dangerous read side effects or obtain sensitive information about microarchitectural state. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| arm-trusted-firmware (PTS) | buster | 2.0+290.98aab974-2 | vulnerable |
| bullseye | 2.4+dfsg-2 | vulnerable |
| bookworm | 2.8.0+dfsg-1 | vulnerable |
| sid, trixie | 2.10.0+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| arm-trusted-firmware | source | (unstable) | 2.9.0+dfsg-3 | unimportant | | |
Notes
https://www.openwall.com/lists/oss-security/2023/01/16/8
Debian ships an almost unpatched copy, so is not affected by itself
Still tracking for the purpose of potential downstream providers
https://github.com/ARM-software/arm-trusted-firmware/commit/fd37982a19a4a291 (v2.9-rc0)
https://github.com/ARM-software/arm-trusted-firmware/commit/72460f50e2437a85 (v2.9-rc0)
https://github.com/ARM-software/arm-trusted-firmware/commit/f5c51855d36e399e (v2.9-rc0)
https://github.com/ARM-software/arm-trusted-firmware/commit/abb8f936fd0ad085 (v2.9-rc0)