5.5

CVE-2022-48924: thermal: int340x: fix memory leak in int3400_notify()

Analyzed
AliasesUBUNTU-CVE-2022-48924DEBIAN-CVE-2022-48924
Published 22-08-2024Last modified 11-05-2026

Vulnerability summary

CVE-2022-48924 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.3% 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
0.21%
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-2024:3190-1SUSE-SU-2024:3209-1SUSE-SU-2024:3227-1SUSE-SU-2024:3408-1SUSE-SU-2024:3483-1

Timeline

  1. 22-08-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: thermal: int340x: fix memory leak in int3400_notify() It is easy to hit the below memory leaks in my TigerLake platform: unreferenced object 0xffff927c8b91dbc0 (size 32): comm "kworker/0:2", pid 112, jiffies 4294893323 (age 83.604s) hex dump (first 32 bytes): 4e 41 4d 45 3d 49 4e 54 33 34 30 30 20 54 68 65 NAME=INT3400 The 72 6d 61 6c 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 rmal.kkkkkkkkkk. backtrace: [<ffffffff9c502c3e>] __kmalloc_track_caller+0x2fe/0x4a0 [<ffffffff9c7b7c15>] kvasprintf+0x65/0xd0 [<ffffffff9c7b7d6e>] kasprintf+0x4e/0x70 [<ffffffffc04cb662>] int3400_notify+0x82/0x120 [int3400_thermal] [<ffffffff9c8b7358>] acpi_ev_notify_dispatch+0x54/0x71 [<ffffffff9c88f1a7>] acpi_os_execute_deferred+0x17/0x30 [<ffffffff9c2c2c0a>] process_one_work+0x21a/0x3f0 [<ffffffff9c2c2e2a>] worker_thread+0x4a/0x3b0 [<ffffffff9c2cb4dd>] kthread+0xfd/0x130 [<ffffffff9c201c1f>] ret_from_fork+0x1f/0x30 Fix it by calling kfree() accordingly.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.21% 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.

Ubuntu98 products
  • linux< 4.15.0-184.194 | < 5.4.0-117.132
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1133.143 | < 5.4.0-1078.84
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 38e44da591303d08b0d965a033e11ade284999d0, < f0ddc5184b0127038d05008e2a69f89d1e13f980 | ≥ 38e44da591303d08b0d965a033e11ade284999d0, < c3fa6d1937a8d0828131a04ae2cd2c30d0668693 | ≥ 38e44da591303d08b0d965a033e11ade284999d0, < 2e798814e01827871938ff172d2b2ccf1e74b355 | ≥ 38e44da591303d08b0d965a033e11ade284999d0, < e098933866f9e1dd3ef4eebbe2e3d504f970f599 | ≥ 38e44da591303d08b0d965a033e11ade284999d0, < ba9efbbf6745750d34c1e87c9539ce9db645ca0a | ≥ 38e44da591303d08b0d965a033e11ade284999d0, < 33c73a4d7e7b19313a6b417152f5365016926418 | ≥ 38e44da591303d08b0d965a033e11ade284999d0, < 3abea10e6a8f0e7804ed4c124bea2d15aca977c8 | 4.14
  • linux_kernel≥ 4.14, < 4.14.274 | ≥ 4.15, < 4.19.237 | ≥ 4.20, < 5.4.188 | ≥ 5.5, < 5.10.103 | ≥ 5.11, < 5.15.26 | ≥ 5.16, < 5.16.12
Debian1 product
  • linux< 5.16.12-1

3 vendors · 101 products

References

11 links
Show all 11 references