CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | linux | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-117.132 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < any | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1078.84 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.4 | < any | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws-hwe | < 4.15.0-1133.143~16.04.1 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1083.87 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-azure | < 4.15.0-1142.156~14.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1142.156~16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-azure-4.15 | < any | UNKNOWN |
git.kernel.org/linus/3abea10e6a8f0e7804ed4c124bea2d15aca977c8 (5.17-rc6)
git.kernel.org/stable/c/2e798814e01827871938ff172d2b2ccf1e74b355
git.kernel.org/stable/c/33c73a4d7e7b19313a6b417152f5365016926418
git.kernel.org/stable/c/3abea10e6a8f0e7804ed4c124bea2d15aca977c8
git.kernel.org/stable/c/ba9efbbf6745750d34c1e87c9539ce9db645ca0a
git.kernel.org/stable/c/c3fa6d1937a8d0828131a04ae2cd2c30d0668693
git.kernel.org/stable/c/e098933866f9e1dd3ef4eebbe2e3d504f970f599
git.kernel.org/stable/c/f0ddc5184b0127038d05008e2a69f89d1e13f980
launchpad.net/bugs/cve/CVE-2022-48924
nvd.nist.gov/vuln/detail/CVE-2022-48924
security-tracker.debian.org/tracker/CVE-2022-48924
www.cve.org/CVERecord?id=CVE-2022-48924