CVE-2022-50210

MEDIUM EPSS 8.7%
Published Jun 18, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: MIPS: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS is selected, cpu_max_bits_warn() generates a runtime warning similar as below while we show /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit) instead of NR_CPUS to iterate CPUs. [ 3.052463] ------------[ cut here ]------------ [ 3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0 [ 3.070072] Modules linked in: efivarfs autofs4 [ 3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052 [ 3.084034] Hardware name: Loongson Loongson-3A4000-7A1000-1w-V0.1-CRB/Loongson-LS3A4000-7A1000-1w-EVB-V1.21, BIOS Loongson-UDK2018-V2.0.04082-beta7 04/27 [ 3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000 [ 3.109127] 9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430 [ 3.118774] 90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff [ 3.128412] 0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890 [ 3.138056] 0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa [ 3.147711] ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000 [ 3.157364] 900000000101c998 0000000000000004 9000000000ef7430 0000000000000000 [ 3.167012] 0000000000000009 000000000000006c 0000000000000000 0000000000000000 [ 3.176641] 9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286 [ 3.186260] 00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c [ 3.195868] ... [ 3.199917] Call Trace: [ 3.203941] [<98000000002086d8>] show_stack+0x38/0x14c [ 3.210666] [<9800000000cf846c>] dump_stack_lvl+0x60/0x88 [ 3.217625] [<980000000023d268>] __warn+0xd0/0x100 [ 3.223958] [<9800000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc [ 3.231150] [<9800000000210220>] show_cpuinfo+0x5e8/0x5f0 [ 3.238080] [<98000000004f578c>] seq_read_iter+0x354/0x4b4 [ 3.245098] [<98000000004c2e90>] new_sync_read+0x17c/0x1c4 [ 3.252114] [<98000000004c5174>] vfs_read+0x138/0x1d0 [ 3.258694] [<98000000004c55f8>] ksys_read+0x70/0x100 [ 3.265265] [<9800000000cfde9c>] do_syscall+0x7c/0x94 [ 3.271820] [<9800000000202fe4>] handle_syscall+0xc4/0x160 [ 3.281824] ---[ end trace 8b484262b4b8c24c ]---

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
8.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel* <4.9.326
linuxlinux_kernel*≥4.10  –  <4.14.291
linuxlinux_kernel*≥4.15  –  <4.19.256
linuxlinux_kernel*≥4.20  –  <5.4.211
linuxlinux_kernel*≥5.5  –  <5.10.137
linuxlinux_kernel*≥5.11  –  <5.15.61
linuxlinux_kernel*≥5.16  –  <5.18.18
linuxlinux_kernel*≥5.19  –  <5.19.2

References 9

  • git.kernel.org https://git.kernel.org/stable/c/274e44e2123417e0924c90d4b4531913b5f3aa2e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4cb392956ae392aec4aa06e661a0bb9146b0bace
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7d305823e02217b29d41fca67e3cef87fd7bd688
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/807adf6ffa8c3beedcd63b20f5a59c7d061df7d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8916ec149c79cb21f5454fa7840ad96f99cf51cf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/98aaa511957667ba26d6dabe28dfa210a8f53a63
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d3ac4e47510ec0753ebe1e418a334ad202784aa8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e1a534f5d074db45ae5cbac41d8912b98e96a006
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e41db8a9ce696a3382a4f098878fd4d14bccd201
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/274e44e2123417e0924c90d4b4531913b5f3aa2e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4cb392956ae392aec4aa06e661a0bb9146b0bace
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7d305823e02217b29d41fca67e3cef87fd7bd688
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/807adf6ffa8c3beedcd63b20f5a59c7d061df7d2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8916ec149c79cb21f5454fa7840ad96f99cf51cf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/98aaa511957667ba26d6dabe28dfa210a8f53a63
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d3ac4e47510ec0753ebe1e418a334ad202784aa8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e1a534f5d074db45ae5cbac41d8912b98e96a006
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e41db8a9ce696a3382a4f098878fd4d14bccd201
    Patch