tcp: Fix data-races around sysctl_tcp_mtu_probing.
Published Feb 26, 2025
4.7
MEDIUMCVSS 3.1
EPSS 0.19%
Description
While reading sysctl_tcp_mtu_probing, 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 2.6.17StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<2.6.17
- 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 |
|
- ≥ 2.6.17 · < 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-2022-49598 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2347827 Issue Tracking
- https://git.kernel.org/stable/c/77a04845f0d28a3561494a5f3121488470a968a4 Patch
- https://git.kernel.org/stable/c/7e8fc428a7f680f1c4994a40e52d7f95a9a93038 Patch
- https://git.kernel.org/stable/c/aabe9438fdfe004e021d5a206227ec105dbe2416 Patch
- https://git.kernel.org/stable/c/b0920ca09d9ce19980c8391b9002455baa9c1417 Patch
- https://git.kernel.org/stable/c/f47d00e077e7d61baf69e46dde3210c886360207 Patch
- https://git.kernel.org/stable/c/f966773e13cdd3f12baa90071b7b660f6c633ccb Patch
- https://lore.kernel.org/linux-cve-announce/2025022611-CVE-2022-49598-d784@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2022-49598
- https://www.cve.org/CVERecord?id=CVE-2022-49598
Change history (0)
No recorded changes yet.