CVE-2022-1048
Vulnerability Summary
Timeline
Description
A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.
CVSS Metrics
- v4.0•HIGH•Score: 7.3CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- v3.1•HIGH•Score: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.24%• Percentile: 16%
Techniques & Countermeasures
- CWE-416•Use After Free
The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
- 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
< 5.10.113-1 | < 5.16.18-1 | < 5.16.18-1 | < 5.16.18-1
- ubuntu•linux
all | < 4.15.0-191.202 | < 5.4.0-124.140 | < 5.15.0-37.39
- ubuntu•linux-aws
all | < 4.15.0-1139.150 | < 5.4.0-1083.90 | < 5.15.0-1011.14
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1083.90~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2078.83 | all | < 5.4.0-1083.90+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1139.150~16.04.1
- ubuntu•linux-azure
< 4.15.0-1149.164~14.04.1 | < 4.15.0-1149.164~16.04.1 | all | < 5.4.0-1089.94 | < 5.15.0-1010.12
- ubuntu•linux-azure-4.15
< 4.15.0-1149.164
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1008.9~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1089.94~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fips
< 4.15.0-2059.65 | all | < 5.4.0-1089.94+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1044.49
- ubuntu•linux-dell300x
< 4.15.0-1051.56
- ubuntu•linux-fips
all | < 4.15.0-1096.107 | < 5.4.0-1059.67
- ubuntu•linux-gcp
< 4.15.0-1134.150~16.04.2 | all | < 5.4.0-1086.94 | < 5.15.0-1008.12
- ubuntu•linux-gcp-4.15
< 4.15.0-1134.150
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1086.94~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2043.48 | all | < 5.4.0-1086.94+fips1
- ubuntu•linux-gke
< 5.4.0-1080.86 | < 5.15.0-1008.10
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.4
< 5.4.0-1080.86~18.04.1
- ubuntu•linux-gkeop
< 5.4.0-1051.54
- ubuntu•linux-gkeop-5.4
< 5.4.0-1051.54~18.04.1
- ubuntu•linux-hwe
< 4.15.0-191.202~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-41.44~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-124.140~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1031.35 | < 5.15.0-1007.8
- ubuntu•linux-ibm-5.4
< 5.4.0-1031.35~18.04.1
- ubuntu•linux-intel-5.13
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-intel-iotg
< 5.15.0-1008.11
Showing first 50 affected entries in server-rendered view.
References (16)
- https://bugzilla.redhat.com/show_bug.cgi?id=2066706
- https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai%40suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3
- https://www.debian.org/security/2022/dsa-5127
- https://security.netapp.com/advisory/ntap-20220629-0001/
- https://www.debian.org/security/2022/dsa-5173
- https://ubuntu.com/security/CVE-2022-1048
- https://www.openwall.com/lists/oss-security/2022/03/28/4
- https://ubuntu.com/security/notices/USN-5381-1
- https://ubuntu.com/security/notices/USN-5469-1
- https://ubuntu.com/security/notices/USN-5560-1
- https://ubuntu.com/security/notices/USN-5560-2
- https://ubuntu.com/security/notices/USN-5562-1
- https://ubuntu.com/security/notices/USN-5582-1
- https://ubuntu.com/security/notices/USN-5856-1
- https://www.cve.org/CVERecord?id=CVE-2022-1048
- https://security-tracker.debian.org/tracker/CVE-2022-1048