ip: Fix data-races around sysctl_ip_fwd_use_pmtu.
Published Feb 26, 2025
4.7
MEDIUMCVSS 3.1
EPSS 0.19%
Description
While reading sysctl_ip_fwd_use_pmtu, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
Affected products
-
Affected
- ≥ , <
- ≥ , <
- ≥ , <
- ≥ , <
- ≥ , <
- ≥ , <
-
Affected
- 3.14
Unaffected
- ≥ 0, < 3.14
- ≥ 4.19.254, ≤ 4.19.*
- ≥ 5.10.134, ≤ 5.10.*
- ≥ 5.15.58, ≤ 5.15.*
- ≥ 5.18.15, ≤ 5.18.*
- 5.19
- ≥ 5.4.208, ≤ 5.4.*
Default status is the baseline for the product. Each version can override it (patched versions can be marked unaffected).
- ≥ 3.14 · < 4.19.254
- ≥ 4.20 · < 5.4.208
- ≥ 5.5 · < 5.10.134
- ≥ 5.11 · < 5.15.58
- ≥ 5.16 · < 5.18.15
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
No data.
Red Hat Enterprise Linux 9
kernel-0:5.14.0-284.11.1.el9_2
Fixed · RHSA-2023:2458
Red Hat Enterprise Linux 9
kernel-0:5.14.0-284.11.1.el9_2
Fixed · RHSA-2023:2458
Red Hat Enterprise Linux 10
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel-rt
Out of support scope
Red Hat Enterprise Linux 8
kernel
Out of support scope
Red Hat Enterprise Linux 8
kernel-rt
Out of support scope
Red Hat Enterprise Linux 9
kernel-rt
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-284.11.1.el9_2 | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-284.11.1.el9_2 | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux 10 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Out of support scope | n/a |
| Red Hat Enterprise Linux 8 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Out of support scope | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (12)
- https://access.redhat.com/security/cve/CVE-2022-49604 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2347711 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-54628 Advisory
- https://git.kernel.org/stable/c/60c158dc7b1f0558f6cadd5b50d0386da0000d50 Patch
- https://git.kernel.org/stable/c/7828309df0f89419a9349761a37c7d1b0da45697 Patch
- https://git.kernel.org/stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364 Patch
- https://git.kernel.org/stable/c/b96ed5ccb09ae71103023ed13acefb194f609794 Patch
- https://git.kernel.org/stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc Patch
- https://git.kernel.org/stable/c/eb15262128b793e4b1d1c4514d3e6d19c3959764 Patch
- https://lore.kernel.org/linux-cve-announce/2025022612-CVE-2022-49604-eb2c@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2022-49604
- https://www.cve.org/CVERecord?id=CVE-2022-49604
Change history (0)
No recorded changes yet.
CVE.org / MITRE
CISA Vulnrichment
GitHub
No data