CVE-2022-48924
thermal: int340x: fix memory leak in int3400_notify()
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < f0ddc5184b0127038d05008e2a69f89d1e13f980
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < c3fa6d1937a8d0828131a04ae2cd2c30d0668693
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < 2e798814e01827871938ff172d2b2ccf1e74b355
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < e098933866f9e1dd3ef4eebbe2e3d504f970f599
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < ba9efbbf6745750d34c1e87c9539ce9db645ca0a
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < 33c73a4d7e7b19313a6b417152f5365016926418
- affected 38e44da591303d08b0d965a033e11ade284999d0 – < 3abea10e6a8f0e7804ed4c124bea2d15aca977c8
- affected 4.14
- unaffected < 4.14
- unaffected 4.14.274 – ≤ 4.14.*
- unaffected 4.19.237 – ≤ 4.19.*
- unaffected 5.4.188 – ≤ 5.4.*
- unaffected 5.10.103 – ≤ 5.10.*
- unaffected 5.15.26 – ≤ 5.15.*
- unaffected 5.16.12 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References (7)
- https://git.kernel.org/stable/c/f0ddc5184b0127038d05008e2a69f89d1e13f980 (opens in a new tab)
- https://git.kernel.org/stable/c/c3fa6d1937a8d0828131a04ae2cd2c30d0668693 (opens in a new tab)
- https://git.kernel.org/stable/c/2e798814e01827871938ff172d2b2ccf1e74b355 (opens in a new tab)
- https://git.kernel.org/stable/c/e098933866f9e1dd3ef4eebbe2e3d504f970f599 (opens in a new tab)
- https://git.kernel.org/stable/c/ba9efbbf6745750d34c1e87c9539ce9db645ca0a (opens in a new tab)
- https://git.kernel.org/stable/c/33c73a4d7e7b19313a6b417152f5365016926418 (opens in a new tab)
- https://git.kernel.org/stable/c/3abea10e6a8f0e7804ed4c124bea2d15aca977c8 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-48924)Record last updated .