CVE-2022-50225

MEDIUM EPSS 4.0%
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: riscv:uprobe fix SR_SPIE set/clear handling In riscv the process of uprobe going to clear spie before exec the origin insn,and set spie after that.But When access the page which origin insn has been placed a page fault may happen and irq was disabled in arch_uprobe_pre_xol function,It cause a WARN as follows. There is no need to clear/set spie in arch_uprobe_pre/post/abort_xol. We can just remove it. [ 31.684157] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1488 [ 31.684677] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 76, name: work [ 31.684929] preempt_count: 0, expected: 0 [ 31.685969] CPU: 2 PID: 76 Comm: work Tainted: G [ 31.686542] Hardware name: riscv-virtio,qemu (DT) [ 31.686797] Call Trace: [ 31.687053] [<ffffffff80006442>] dump_backtrace+0x30/0x38 [ 31.687699] [<ffffffff80812118>] show_stack+0x40/0x4c [ 31.688141] [<ffffffff8081817a>] dump_stack_lvl+0x44/0x5c [ 31.688396] [<ffffffff808181aa>] dump_stack+0x18/0x20 [ 31.688653] [<ffffffff8003e454>] __might_resched+0x114/0x122 [ 31.688948] [<ffffffff8003e4b2>] __might_sleep+0x50/0x7a [ 31.689435] [<ffffffff80822676>] down_read+0x30/0x130 [ 31.689728] [<ffffffff8000b650>] do_page_fault+0x166/x446 [ 31.689997] [<ffffffff80003c0c>] ret_from_exception+0x0/0xc

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-667

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥5.12  –  <5.15.61
linuxlinux_kernel*≥5.16  –  <5.18.18
linuxlinux_kernel*≥5.19  –  <5.19.2

References 4

  • git.kernel.org https://git.kernel.org/stable/c/3811d51778900064d27d8c9a98f73410fb3b471d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3dbe5829408bc1586f75b4667ef60e5aab0209c7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/73fc099eaefd9a92c83b6c07dad066411fd5a192
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c71e000db8536d27ec410abb3e314896a78b4f19
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3811d51778900064d27d8c9a98f73410fb3b471d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3dbe5829408bc1586f75b4667ef60e5aab0209c7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/73fc099eaefd9a92c83b6c07dad066411fd5a192
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c71e000db8536d27ec410abb3e314896a78b4f19
    Patch