Vulnerability · Published Sep 27, 2022 · Assigned by redhat
CVE-2022-3303
Medium 4.7
In plain English
A medium-severity security flaw in Linux kernel. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.3%top 75.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A race condition flaw was found in the Linux kernel sound subsystem due to improper locking. It could lead to a NULL pointer dereference while handling the SNDCTL_DSP_SYNC ioctl. A privileged local user (root or member of the audio group) could use this flaw to crash the system, resulting in a denial of service condition
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.19.11-1 | DEBIAN-CVE-2022-3303 |
| Debian:13 | linux | 5.19.11-1 | DEBIAN-CVE-2022-3303 |
| Debian:14 | linux | 5.19.11-1 | DEBIAN-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1027.31 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1030.37 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1030.37.1 | USN-5792-2 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1026.33 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1024.29 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1012.16 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1022.25 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1023.28 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1025.30 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-57.63 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1015.15 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1031.32 | USN-6071-1 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1031.32 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1026.32 | USN-5792-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1022.24 | USN-5792-1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-3303 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2022-3303 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Linux kernel | Fixed in kernel 6.0-rc5 |
Weakness: CWE-667 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
- https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA%40mail.gmail.com/
- DSA-5257 vendor-advisory
- [debian-lts-announce] 20221101 [SECURITY] [DLA 3173-1] linux-5.10 security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html