Vulnerability · Published Sep 9, 2022 · Assigned by redhat
CVE-2022-2905
Medium 5.5
In plain English
A medium-severity out-of-bounds read in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 69.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.19.6-1 | DEBIAN-CVE-2022-2905 |
| Debian:13 | linux | 5.19.6-1 | DEBIAN-CVE-2022-2905 |
| Debian:14 | linux | 5.19.6-1 | DEBIAN-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux | 5.15.0-53.59 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-53.59 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1023.27 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1023.27 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1023.29 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1023.29 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1024.30.1 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1022.29 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1022.29 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1020.25 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1020.25 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1008.12 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1008.12 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1018.21 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1018.21 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1018.23 | USN-5729-2 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1018.23 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1021.26 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1021.26 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-53.59 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-53.59 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1022.28 | USN-5729-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1022.28 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1018.20 | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1018.20 | USN-5729-2 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-2905 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1023.27 | UBUNTU-CVE-2022-2905 |
Affected products (as reported)
Weakness: CWE-125
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2121800
- https://lore.kernel.org/bpf/984b37f9fdf7ac36831d2137415a4a915744c1b6.1661462653.git.daniel%40iogearbox.net/
- [debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html