CVE-2022-49586
published 2025-02-26CVE-2022-49586: In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen. While reading sysctl_tcp_fastopen, it can…
PriorityP414medium4.7CVSS 3.1
AVLACHPRLUINSUCNINAH
EPSS
0.19%
8.5th percentile
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix data-races around sysctl_tcp_fastopen.
While reading sysctl_tcp_fastopen, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.18.16-1 (bookworm) | linux 5.18.16-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 2100c8d2d9db23c0a09901a782bb4e3b21bee298 < 03da610696a32578fc4f986479341ce9d430df08 | 03da610696a32578fc4f986479341ce9d430df08 |
| linux | linux | >= 2100c8d2d9db23c0a09901a782bb4e3b21bee298 < 25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc | 25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc |
| linux | linux | >= 2100c8d2d9db23c0a09901a782bb4e3b21bee298 < 22938534c611136f35e2ca545bb668073ca5ef49 | 22938534c611136f35e2ca545bb668073ca5ef49 |
| linux | linux | >= 2100c8d2d9db23c0a09901a782bb4e3b21bee298 < 539d9ab79eba3974b479cad61a8688c41fe62e12 | 539d9ab79eba3974b479cad61a8688c41fe62e12 |
| linux | linux | >= 2100c8d2d9db23c0a09901a782bb4e3b21bee298 < 448ab998947996a0a451f8229f19087964cf2670 | 448ab998947996a0a451f8229f19087964cf2670 |
| linux | linux | >= 2100c8d2d9db23c0a09901a782bb4e3b21bee298 < 5a54213318c43f4009ae158347aa6016e3b9b55a | 5a54213318c43f4009ae158347aa6016e3b9b55a |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.136-1 | 5.10.136-1 |
| linux | linux_kernel | >= 0 < 5.18.16-1 | 5.18.16-1 |
| linux | linux_kernel | >= 0 < 5.18.16-1 | 5.18.16-1 |
| linux | linux_kernel | >= 0 < 5.18.16-1 | 5.18.16-1 |
| linux | linux_kernel | >= 3.6 < 4.19.254 | 4.19.254 |
| linux | linux_kernel | >= 4.20 < 5.4.208 | 5.4.208 |
| linux | linux_kernel | >= 5.11 < 5.15.58 | 5.15.58 |
| linux | linux_kernel | >= 5.16 < 5.18.15 | 5.18.15 |
| linux | linux_kernel | >= 5.5 < 5.10.134 | 5.10.134 |
CVSS provenance
nvdv3.14.7MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
osv4.7MEDIUM
vendor_debian4.7MEDIUM
vendor_redhat4.7MEDIUM
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Red Hat
kernel: tcp: Fix data-races around sysctl_tcp_fastopen.
vendor_redhat·2025-02-26·CVSS 4.7
CVE-2022-49586 [MEDIUM] CWE-362 kernel: tcp: Fix data-races around sysctl_tcp_fastopen.
kernel: tcp: Fix data-races around sysctl_tcp_fastopen.
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix data-races around sysctl_tcp_fastopen.
While reading sysctl_tcp_fastopen, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 7) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 7) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 8) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 8) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 9) - Affected
Debian
CVE-2022-49586: linux - In the Linux kernel, the following vulnerability has been resolved: tcp: Fix da...
vendor_debian·2022·CVSS 4.7
CVE-2022-49586 [MEDIUM] CVE-2022-49586: linux - In the Linux kernel, the following vulnerability has been resolved: tcp: Fix da...
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen. While reading sysctl_tcp_fastopen, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
Scope: local
bookworm: resolved (fixed in 5.18.16-1)
bullseye: resolved (fixed in 5.10.136-1)
forky: resolved (fixed in 5.18.16-1)
sid: resolved (fixed in 5.18.16-1)
trixie: resolved (fixed in 5.18.16-1)
GHSA
GHSA-f3w2-gcgx-qw4p: In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix data-races around sysctl_tcp_fastopen
ghsa_unreviewed·2025-03-10
CVE-2022-49586 [MEDIUM] CWE-362 GHSA-f3w2-gcgx-qw4p: In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix data-races around sysctl_tcp_fastopen
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix data-races around sysctl_tcp_fastopen.
While reading sysctl_tcp_fastopen, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its readers.
OSV
CVE-2022-49586: In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen
osv·2025-02-26·CVSS 4.7
CVE-2022-49586 [MEDIUM] CVE-2022-49586: In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_fastopen. While reading sysctl_tcp_fastopen, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/03da610696a32578fc4f986479341ce9d430df08https://git.kernel.org/stable/c/22938534c611136f35e2ca545bb668073ca5ef49https://git.kernel.org/stable/c/25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cchttps://git.kernel.org/stable/c/448ab998947996a0a451f8229f19087964cf2670https://git.kernel.org/stable/c/539d9ab79eba3974b479cad61a8688c41fe62e12https://git.kernel.org/stable/c/5a54213318c43f4009ae158347aa6016e3b9b55a
2025-02-26
Published