tcp: Fix data-races around sysctl_tcp_slow_start_after_idle.
Published Feb 26, 2025
4.7
MEDIUMCVSS 3.1
EPSS 0.19%
Description
While reading sysctl_tcp_slow_start_after_idle, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 2.6.18StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<2.6.18
- Version 4.19.254StatusunaffectedConstraints<=4.19.*
- Version 5.10.134StatusunaffectedConstraints<=5.10.*
- Version 5.15.58StatusunaffectedConstraints<=5.15.*
- Version 5.18.15StatusunaffectedConstraints<=5.18.*
- Version 5.19StatusunaffectedConstraints<=*
- Version 5.4.208StatusunaffectedConstraints<=5.4.*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
| |||||||||||||||||||||||||||
| Linux | Linux | affected |
|
- ≥ 2.6.18 · < 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 (11)
- https://access.redhat.com/security/cve/CVE-2022-49572 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2348047 Issue Tracking
- https://git.kernel.org/stable/c/0e3f82a03ec8c3808e87283e12946227415706c9 Patch
- https://git.kernel.org/stable/c/369d99c2b89f54473adcf9acdf40ea562b5a6e0e Patch
- https://git.kernel.org/stable/c/3b26e11b07a09b31247688bec61e2925d4a571b6 Patch
- https://git.kernel.org/stable/c/41aeba4506f6b70ec7500c6fe202731a4ba29fe5 Patch
- https://git.kernel.org/stable/c/4845b5713ab18a1bb6e31d1fbb4d600240b8b691 Patch
- https://git.kernel.org/stable/c/68b6f9506747d507c7bfa374d178929b4157e8c6 Patch
- https://lore.kernel.org/linux-cve-announce/2025022606-CVE-2022-49572-51d7@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2022-49572
- https://www.cve.org/CVERecord?id=CVE-2022-49572
Change history (0)
No recorded changes yet.