CVE-2022-49809
published 2025-05-01CVE-2022-49809: In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy()…
PriorityP415medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.19%
8.8th percentile
In the Linux kernel, the following vulnerability has been resolved:
net/x25: Fix skb leak in x25_lapb_receive_frame()
x25_lapb_receive_frame() using skb_copy() to get a private copy of
skb, the new skb should be freed in the undersized/fragmented skb
error handling path. Otherwise there is a memory leak.
Affected
26 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.0.10-1 (bookworm) | linux 6.0.10-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | — | — |
| linux | linux | >= 3.0.72 < 3.1 | 3.1 |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < fda0ba7c84b46d10947c687320804b9de149a921 | fda0ba7c84b46d10947c687320804b9de149a921 |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < dfcfbe4f2e4b2c81cff4e79b48502d97fda73118 | dfcfbe4f2e4b2c81cff4e79b48502d97fda73118 |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 0ef17d966445358a55c5f4ccf2c73cca3e39192b | 0ef17d966445358a55c5f4ccf2c73cca3e39192b |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < e109b41870db995cae25dfaf0cc3922f9028b1a1 | e109b41870db995cae25dfaf0cc3922f9028b1a1 |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 9f00da9c866d506998bf0a3f699ec900730472da | 9f00da9c866d506998bf0a3f699ec900730472da |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < c8baf1fc248b2e88642f094fea9509a9bf98c5bb | c8baf1fc248b2e88642f094fea9509a9bf98c5bb |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 2d675be16a461310d738d93f9f1a00da62055c5a | 2d675be16a461310d738d93f9f1a00da62055c5a |
| linux | linux | >= cb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 2929cceb2fcf0ded7182562e4888afafece82cce | 2929cceb2fcf0ded7182562e4888afafece82cce |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.158-1 | 5.10.158-1 |
| linux | linux_kernel | >= 0 < 6.0.10-1 | 6.0.10-1 |
| linux | linux_kernel | >= 0 < 6.0.10-1 | 6.0.10-1 |
| linux | linux_kernel | >= 0 < 6.0.10-1 | 6.0.10-1 |
| linux | linux_kernel | >= 3.0.72 < 3.1 | 3.1 |
| linux | linux_kernel | >= 3.1.1 < 4.9.334 | 4.9.334 |
| linux | linux_kernel | >= 4.10 < 4.14.300 | 4.14.300 |
| linux | linux_kernel | >= 4.15 < 4.19.267 | 4.19.267 |
| linux | linux_kernel | >= 4.20 < 5.4.225 | 5.4.225 |
| linux | linux_kernel | >= 5.11 < 5.15.80 | 5.15.80 |
| linux | linux_kernel | >= 5.16 < 6.0.10 | 6.0.10 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Red Hat
kernel: net/x25: Fix skb leak in x25_lapb_receive_frame()
vendor_redhat·2025-05-01·CVSS 5.5
CVE-2022-49809 [MEDIUM] kernel: net/x25: Fix skb leak in x25_lapb_receive_frame()
kernel: net/x25: Fix skb leak in x25_lapb_receive_frame()
In the Linux kernel, the following vulnerability has been resolved:
net/x25: Fix skb leak in x25_lapb_receive_frame()
x25_lapb_receive_frame() using skb_copy() to get a private copy of
skb, the new skb should be freed in the undersized/fragmented skb
error handling path. Otherwise there is a memory leak.
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) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel (Red Hat Enterprise Linux 9) - Not affected
Debian
CVE-2022-49809: linux - In the Linux kernel, the following vulnerability has been resolved: net/x25: Fi...
vendor_debian·2022·CVSS 5.5
CVE-2022-49809 [MEDIUM] CVE-2022-49809: linux - In the Linux kernel, the following vulnerability has been resolved: net/x25: Fi...
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.
Scope: local
bookworm: resolved (fixed in 6.0.10-1)
bullseye: resolved (fixed in 5.10.158-1)
forky: resolved (fixed in 6.0.10-1)
sid: resolved (fixed in 6.0.10-1)
trixie: resolved (fixed in 6.0.10-1)
GHSA
GHSA-mgh7-45p9-8c23: In the Linux kernel, the following vulnerability has been resolved:
net/x25: Fix skb leak in x25_lapb_receive_frame()
x25_lapb_receive_frame() using
ghsa_unreviewed·2025-05-01
CVE-2022-49809 [MEDIUM] CWE-401 GHSA-mgh7-45p9-8c23: In the Linux kernel, the following vulnerability has been resolved:
net/x25: Fix skb leak in x25_lapb_receive_frame()
x25_lapb_receive_frame() using
In the Linux kernel, the following vulnerability has been resolved:
net/x25: Fix skb leak in x25_lapb_receive_frame()
x25_lapb_receive_frame() using skb_copy() to get a private copy of
skb, the new skb should be freed in the undersized/fragmented skb
error handling path. Otherwise there is a memory leak.
OSV
CVE-2022-49809: In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using s
osv·2025-05-01·CVSS 5.5
CVE-2022-49809 [MEDIUM] CVE-2022-49809: In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using s
In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192bhttps://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82ccehttps://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5ahttps://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472dahttps://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bbhttps://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921
2025-05-01
Published