CVE-2022-50529

MEDIUM EPSS 4.0%
Published Oct 7, 20258mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 7, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: test_firmware: fix memory leak in test_firmware_init() When misc_register() failed in test_firmware_init(), the memory pointed by test_fw_config->name is not released. The memory leak information is as follows: unreferenced object 0xffff88810a34cb00 (size 32): comm "insmod", pid 7952, jiffies 4294948236 (age 49.060s) hex dump (first 32 bytes): 74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi 6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n............... backtrace: [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0 [<ffffffff81affb96>] kstrndup+0x46/0xc0 [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware] [<ffffffffa040f068>] 0xffffffffa040f068 [<ffffffff81002c41>] do_one_initcall+0x141/0x780 [<ffffffff816a72c3>] do_init_module+0x1c3/0x630 [<ffffffff816adb9e>] load_module+0x623e/0x76a0 [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240 [<ffffffff89978f99>] do_syscall_64+0x39/0xb0 [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.14  –  <4.14.303
linuxlinux_kernel*≥4.15  –  <4.19.270
linuxlinux_kernel*≥4.20  –  <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.86
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 8

  • git.kernel.org https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f
    Patch