5.5

CVE-2022-49020: net/9p: Fix a potential socket leak in p9_socket_open

Analyzed
AliasesUBUNTU-CVE-2022-49020DEBIAN-CVE-2022-49020
Published 21-10-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-49020 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 5
SUSE-SU-2024:3983-1SUSE-SU-2024:3985-1SUSE-SU-2024:4100-1SUSE-SU-2024:4364-1SUSE-SU-2025:0034-1

Timeline

  1. 21-10-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net/9p: Fix a potential socket leak in p9_socket_open Both p9_fd_create_tcp() and p9_fd_create_unix() will call p9_socket_open(). If the creation of p9_trans_fd fails, p9_fd_create_tcp() and p9_fd_create_unix() will return an error directly instead of releasing the cscoket, which will result in a socket leak. This patch adds sock_release() to fix the leak issue.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu113 products
  • linuxAll versions (No fix recorded) | < 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < 0396227f4daf4792a6a8aaa3b7771dc25c4cd443 | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < ded893965b895b2dccd3d1436d8d3daffa23ea64 | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < 8b14bd0b500aec1458b51cb621c8e5fab3304260 | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < 2d24d91b9f44620824fc37b766f7cae00ca32748 | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < e01c1542379fb395e7da53706df598f38905dfbf | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < 8782b32ef867de7981bbe9e86ecb90e92e8780bd | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < aa08323fe18cb7cf95317ffa2d54ca1de8e74ebd | ≥ 6b18662e239a032f908b7f6e164bdf7e2e0a32c9, < dcc14cfd7debe11b825cb077e75d91d2575b4cb8 | 2.6.33
  • linux_kernel≥ 2.6.33, < 4.9.335 | ≥ 4.10, < 4.14.301 | ≥ 4.15, < 4.19.268 | ≥ 4.20, < 5.4.226 | ≥ 5.5, < 5.10.158 | ≥ 5.11, < 5.15.82 | ≥ 5.16, < 6.0.12 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6 | 6.1:rc7
Debian1 product
  • linux< 6.0.12-1

3 vendors · 116 products

References

12 links
Show all 12 references