CVE-2022-49604
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. While reading sysctl_ip_fwd_use_pmtu, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
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: 0.19%• Percentile: 9%
Techniques & Countermeasures
- 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
< 5.10.136-1 | < 5.18.16-1 | < 5.18.16-1 | < 5.18.16-1
- ubuntu•linux
all | < 4.15.0-197.208 | < 5.4.0-128.144 | < 5.15.0-50.56
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 4.15.0-1143.155 | < 5.4.0-1086.93 | < 5.15.0-1021.25
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1021.25~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1086.93~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-fips
< 4.15.0-2082.88 | all | < 5.4.0-1086.93+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1143.155~16.04.1
- ubuntu•linux-azure
< 4.15.0-1157.172~14.04.2 | < 4.15.0-1159.174~16.04.1 | all | < 5.4.0-1094.100 | < 5.15.0-1021.26
- ubuntu•linux-azure-4.15
< 4.15.0-1157.172
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1021.26~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1094.100~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2066.72 | all | < 5.4.0-1094.100+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1047.52
- ubuntu•linux-fips
all | < 4.15.0-1100.111 | < 5.4.0-1062.70
- ubuntu•linux-gcp
< 4.15.0-1138.154~16.04.1 | all | < 5.4.0-1090.98 | < 5.15.0-1019.25
- ubuntu•linux-gcp-4.15
< 4.15.0-1138.154
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1021.28~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1092.101~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
< 4.15.0-2047.52 | all | < 5.4.0-1092.101+fips1
- ubuntu•linux-gke
all | < 5.15.0-1017.20
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
Showing first 50 affected entries in server-rendered view.
References (10)
- https://git.kernel.org/stable/c/eb15262128b793e4b1d1c4514d3e6d19c3959764
- https://git.kernel.org/stable/c/7828309df0f89419a9349761a37c7d1b0da45697
- https://git.kernel.org/stable/c/b96ed5ccb09ae71103023ed13acefb194f609794
- https://git.kernel.org/stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364
- https://git.kernel.org/stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc
- https://git.kernel.org/stable/c/60c158dc7b1f0558f6cadd5b50d0386da0000d50
- https://ubuntu.com/security/CVE-2022-49604
- https://www.cve.org/CVERecord?id=CVE-2022-49604
- https://git.kernel.org/linus/60c158dc7b1f0558f6cadd5b50d0386da0000d50
- https://security-tracker.debian.org/tracker/CVE-2022-49604