CVE-2022-49637
published 2025-02-26CVE-2022-49637: In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can…
PriorityP414medium4.7CVSS 3.1
AVLACHPRLUINSUCNINAH
EPSS
0.18%
7.4th percentile
In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix a data-race around sysctl_fib_sync_mem.
While reading sysctl_fib_sync_mem, it can be changed concurrently.
So, we need to add READ_ONCE() to avoid a data-race.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.18.14-1 (bookworm) | linux 5.18.14-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f < 7c1acd98fb221dc0d847451b9ab86319f8b9916c | 7c1acd98fb221dc0d847451b9ab86319f8b9916c |
| linux | linux | >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f < 418b191d5f223a8cb6cab09eae1f72c04ba6adf2 | 418b191d5f223a8cb6cab09eae1f72c04ba6adf2 |
| linux | linux | >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f < 9be8aac91960ea32fd0e874758c9afee665c57d2 | 9be8aac91960ea32fd0e874758c9afee665c57d2 |
| linux | linux | >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f < 190cd4ff128373271e065afb20f1d2247b3f10c3 | 190cd4ff128373271e065afb20f1d2247b3f10c3 |
| linux | linux | >= 9ab948a91b2c2abc8e82845c0e61f4b1683e3a4f < 73318c4b7dbd0e781aaababff17376b2894745c0 | 73318c4b7dbd0e781aaababff17376b2894745c0 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.136-1 | 5.10.136-1 |
| linux | linux_kernel | >= 0 < 5.18.14-1 | 5.18.14-1 |
| linux | linux_kernel | >= 0 < 5.18.14-1 | 5.18.14-1 |
| linux | linux_kernel | >= 0 < 5.18.14-1 | 5.18.14-1 |
| linux | linux_kernel | >= 5.11 < 5.15.56 | 5.15.56 |
| linux | linux_kernel | >= 5.16 < 5.18.13 | 5.18.13 |
| linux | linux_kernel | >= 5.2 < 5.4.207 | 5.4.207 |
| linux | linux_kernel | >= 5.5 < 5.10.132 | 5.10.132 |
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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GHSA
GHSA-rcg6-223q-x4q3: In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix a data-race around sysctl_fib_sync_mem
ghsa_unreviewed·2025-03-12
CVE-2022-49637 [MEDIUM] CWE-362 GHSA-rcg6-223q-x4q3: In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix a data-race around sysctl_fib_sync_mem
In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix a data-race around sysctl_fib_sync_mem.
While reading sysctl_fib_sync_mem, it can be changed concurrently.
So, we need to add READ_ONCE() to avoid a data-race.
OSV
CVE-2022-49637: In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem
osv·2025-02-26·CVSS 4.7
CVE-2022-49637 [MEDIUM] CVE-2022-49637: In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.
Red Hat
kernel: ipv4: Fix a data-race around sysctl_fib_sync_mem.
vendor_redhat·2025-02-26·CVSS 4.7
CVE-2022-49637 [MEDIUM] CWE-362 kernel: ipv4: Fix a data-race around sysctl_fib_sync_mem.
kernel: ipv4: Fix a data-race around sysctl_fib_sync_mem.
In the Linux kernel, the following vulnerability has been resolved:
ipv4: Fix a data-race around sysctl_fib_sync_mem.
While reading sysctl_fib_sync_mem, it can be changed concurrently.
So, we need to add READ_ONCE() to avoid a data-race.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
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) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 9) - Affected
Debian
CVE-2022-49637: linux - In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a...
vendor_debian·2022·CVSS 4.7
CVE-2022-49637 [MEDIUM] CVE-2022-49637: linux - In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a...
In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.
Scope: local
bookworm: resolved (fixed in 5.18.14-1)
bullseye: resolved (fixed in 5.10.136-1)
forky: resolved (fixed in 5.18.14-1)
sid: resolved (fixed in 5.18.14-1)
trixie: resolved (fixed in 5.18.14-1)
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916chttps://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2
2025-02-26
Published