CVE-2022-49620: net: tipc: fix possible refcount leak in tipc_sk_create()
First published: Wed Feb 26 2025(Updated: )
In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix possible refcount leak in tipc_sk_create() Free sk in case tipc_sk_insert() fails.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | <4.9.324 | |
| Linux Kernel | >=4.10<4.14.289 | |
| Linux Kernel | >=4.15<4.19.253 | |
| Linux Kernel | >=4.20<5.4.207 | |
| Linux Kernel | >=5.5<5.10.132 | |
| Linux Kernel | >=5.11<5.15.56 | |
| Linux Kernel | >=5.16<5.18.13 | |
| Linux Kernel | =5.19-rc1 | |
| Linux Kernel | =5.19-rc2 | |
| Linux Kernel | =5.19-rc3 | |
| Linux Kernel | =5.19-rc4 |
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Reference Links
- https://git.kernel.org/stable/c/638fa20b618b2bbcf86da71231624cc82121a036
- https://git.kernel.org/stable/c/7bc9e7f70bc57d8f02ffea2a42094281effb15ef
- https://git.kernel.org/stable/c/ef488669b2652bde5b6ee5a409a5b048a2a50db4
- https://git.kernel.org/stable/c/4919d82f7041157a421ca9bf39a78551d5ad8a1b
- https://git.kernel.org/stable/c/efa78f2ae363428525fb4981bb63c555ee79f3c7
- https://git.kernel.org/stable/c/833ecd0eae76eadf81d6d747bb5bc992d1151867
- https://git.kernel.org/stable/c/3b2957fc09fe1ac7f07f40dd50dd5f93e3f3a7a2
- https://git.kernel.org/stable/c/00aff3590fc0a73bddd3b743863c14e76fd35c0c
Frequently Asked Questions
What is the severity of CVE-2022-49620?
CVE-2022-49620 is classified as a medium severity vulnerability affecting the Linux kernel.
How do I fix CVE-2022-49620?
To resolve CVE-2022-49620, update the Linux kernel to a version that includes the patch for this vulnerability.
Which versions of the Linux kernel are affected by CVE-2022-49620?
CVE-2022-49620 affects various versions of the Linux kernel from 4.9 up to 5.19-rc4.
What type of vulnerability is CVE-2022-49620?
CVE-2022-49620 is a potential reference count leak vulnerability in the Linux kernel's TIPC protocol.
Where can I find more details about CVE-2022-49620?
Details about CVE-2022-49620 can be found in the Linux kernel's changelog and relevant security advisories.
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