Vulnerability · Published Jun 18, 2022 · Assigned by mitre
CVE-2022-33981
Low 3.3
In plain English
A low-severity use-after-free in the linux package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.6%top 53.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.17.6-1 | DEBIAN-CVE-2022-33981 |
| Debian:13 | linux | 5.17.6-1 | DEBIAN-CVE-2022-33981 |
| Debian:14 | linux | 5.17.6-1 | DEBIAN-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux | 5.15.0-41.44 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-41.44 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1015.19 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1015.19 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1014.17 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1014.17 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1013.18 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1013.18 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1011.14 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1011.14 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1002.4 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1010.12 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1010.12 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1013.17 | USN-5564-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1013.17 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1013.16 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1013.16 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-41.44 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-41.44 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | 5.17.0-1011.12 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1013.17 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1013.17 | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1012.14 | USN-5518-1 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1012.14 | UBUNTU-CVE-2022-33981 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-33981 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1015.17 | UBUNTU-CVE-2022-33981 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
References
- https://github.com/torvalds/linux/commit/233087ca063686964a53c829d547c7571e3f67bf x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/225362 x_refsource_MISC
- https://seclists.org/oss-sec/2022/q2/66 x_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.6 x_refsource_MISC
- [debian-lts-announce] 20220701 [SECURITY] [DLA 3065-1] linux security update mailing-list, x_refsource_MLIST
- DSA-5173 vendor-advisory, x_refsource_DEBIAN