CVE catalog
CVE-2022-50222
linux: CVE-2022-50222
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.24% · Oct 25, 2026
In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer syzbot reports kernel infoleak at vcs_read() [1], for buffer can be read immediately after resize operation. Initialize buffer using kzalloc(). ---------- #include <fcntl.h> #include <unistd.h> #include <sys/ioctl.h> #include <linux/fb.h> int main(int argc, char *argv[]) { struct fb_var_screeninfo var = { }; const int fb_fd = open("/dev/fb0", 3); ioctl(fb_fd, FBIOGET_VSCREENINFO, &var); var.yres = 0x21; ioctl(fb_fd, FBIOPUT_VSCREENINFO, &var); return read(open("/dev/vcsu", O_RDONLY), &var, sizeof(var)) == -1; } ----------
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | linux | sid | 7.2.12-1 | fixed |
| Debian | linux | forky | 7.2.12-1 | fixed |
| Debian | linux | trixie | 6.12.107-1 | fixed |
| Debian | linux | trixie-security | 6.12.113-1 | fixed |
| Debian | linux | bookworm | 6.1.176-1 | fixed |
| Debian | linux | bookworm-security | 6.1.190-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux | source | sid | 6.0.2-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | forky | 6.0.2-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | trixie | 6.0.2-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | bookworm | 6.0.2-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [bpftool]Unknown
Source package: [linux]
Details (6)
7.1.0+6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
7.1.0+6.1.176-1· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
7.5.0+6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
7.5.0+6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
7.1.0+6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
7.1.0+6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [hyperv-daemons]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [intel-sdsi]Unknown
Source package: [linux]
Details (1)
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [libcpupower1]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [libcpupower-dev]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-bpf-dev]Unknown
Source package: [linux]
Details (2)
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-compiler-gcc-12-x86]Unknown
Source package: [linux]
Details (2)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-config-6.1]Unknown
Source package: [linux]
Details (4)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-cpupower]Unknown
Source package: [linux]
Details (6)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· amd64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· arm64 · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· amd64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· arm64 · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-doc]Unknown
Source package: [linux]
Details (32)
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.43-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.43-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.57-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.57-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.63-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.63-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.69-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.69-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.73-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.73-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.74-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.74-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.85-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.85-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.86-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.86-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.88-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.88-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.90-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.90-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.90-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.90-2~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.94-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.94-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.12.95-1~bpo12+1· all · bookworm-backportsFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-doc-6.1]Unknown
Source package: [linux]
Details (6)
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.176-1· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.180-1· all · bookworm-securityFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-cloud-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-cloud-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-common]Unknown
Source package: [linux]
Details (2)
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-common-rt]Unknown
Source package: [linux]
Details (2)
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
6.1.170-3· all · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-rt-amd64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-47-rt-arm64]Unknown
Source package: [linux]
Details (1)
6.1.170-3· arm64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
- [linux-headers-6.1.0-50-amd64]Unknown
Source package: [linux]
Details (1)
6.1.176-1· amd64 · bookwormFixed · Fixed:
6.0.2-1dsa · linux · debian · bookworm
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2025_02320-1.json]
- [https://security-tracker.debian.org/tracker/CVE-2022-50222]
- [https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50222.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1350.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]