CVE-2022-3303
Vulnerability Summary
Timeline
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
CVSS Metrics
- v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.31%• Percentile: 24%
Techniques & Countermeasures
- CWE-667•Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
- CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected Systems
- debian•linux
< 5.10.149-1 | < 5.19.11-1 | < 5.19.11-1 | < 5.19.11-1
- ubuntu•linux
all | < 4.4.0-239.273 | < 4.15.0-214.225 | < 5.4.0-136.153 | < 5.15.0-57.63
- ubuntu•linux-aws
< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1159.172 | < 5.4.0-1093.101 | < 5.15.0-1027.31
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1027.31~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1093.102~18.04.2
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2098.104 | all | < 5.4.0-1093.101+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1159.172~16.04.1
- ubuntu•linux-azure
< 4.15.0-1168.183~14.04.1 | < 4.15.0-1168.183~16.04.1 | all | < 5.4.0-1100.106 | < 5.15.0-1030.37
- ubuntu•linux-azure-4.15
< 4.15.0-1168.183
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1030.37~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1100.106~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
< 5.15.0-1030.37.1
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fips
< 4.15.0-2077.83 | all | < 5.4.0-1100.106+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1054.60
- ubuntu•linux-fips
< 4.4.0-1088.95 | all | < 4.15.0-1114.125 | < 5.4.0-1069.78
- ubuntu•linux-gcp
< 4.15.0-1153.170~16.04.1 | all | < 5.4.0-1097.106 | < 5.15.0-1026.33
- ubuntu•linux-gcp-4.15
< 4.15.0-1153.170
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1027.34~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1097.106~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2061.66 | all | < 5.4.0-1097.106+fips1
- ubuntu•linux-gke
< 5.4.0-1091.98 | < 5.15.0-1024.29
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
< 5.15.0-1027.32~20.04.1
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1061.65 | < 5.15.0-1012.16
- ubuntu•linux-gkeop-5.15
< 5.15.0-1012.16~20.04.1
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
< 4.15.0-214.225~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-57.63~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-136.153~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1041.46 | < 5.15.0-1022.25
Showing first 50 affected entries in server-rendered view.
References (25)
- 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/
- https://www.debian.org/security/2022/dsa-5257
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://ubuntu.com/security/CVE-2022-3303
- https://git.kernel.org/linus/8423f0b6d513b259fdab9c9bf4aaa6188d054c2d
- https://lore.kernel.org/all/CAFcO6XN7JDM4xSXGhtusQfS2mSBcx50VJKwQpCq=WeLt57aaZA@mail.gmail.com/
- https://ubuntu.com/security/notices/USN-5791-1
- https://ubuntu.com/security/notices/USN-5792-1
- https://ubuntu.com/security/notices/USN-5793-1
- https://ubuntu.com/security/notices/USN-5791-2
- https://ubuntu.com/security/notices/USN-5792-2
- https://ubuntu.com/security/notices/USN-5793-2
- https://ubuntu.com/security/notices/USN-5791-3
- https://ubuntu.com/security/notices/USN-5793-3
- https://ubuntu.com/security/notices/USN-5793-4
- https://ubuntu.com/security/notices/USN-5815-1
- https://ubuntu.com/security/notices/USN-5877-1
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://ubuntu.com/security/notices/USN-6071-1
- https://ubuntu.com/security/notices/USN-6252-1
- https://www.cve.org/CVERecord?id=CVE-2022-3303
- https://security-tracker.debian.org/tracker/CVE-2022-3303