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CVE-2022-48937

3.3 · LOW
Published Aug 22, 2024 linux CWE-667 EPSS 0.16% (5th pctl)

Overview

CVE-2022-48937 is a low-severity vulnerability affecting linux linux_kernel. It was published on August 22, 2024 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

io_uring: add a schedule point in io_add_buffers()

Looping ~65535 times doing kmalloc() calls can trigger soft lockups,

especially with DEBUG features (like KASAN).

[ 253.536212] watchdog: BUG: soft lockup - CPU#64 stuck for 26s! [b219417889:12575]

[ 253.544433] Modules linked in: vfat fat i2c_mux_pca954x i2c_mux spidev cdc_acm xhci_pci xhci_hcd sha3_generic gq(O)

[ 253.544451] CPU: 64 PID: 12575 Comm: b219417889 Tainted: G S O 5.17.0-smp-DEV #801

[ 253.544457] RIP: 0010:kernel_text_address (./include/asm-generic/sections.h:192 ./include/linux/kallsyms.h:29 kernel/extable.c:67 kernel/extable.c:98)

[ 253.544464] Code: 0f 93 c0 48 c7 c1 e0 63 d7 a4 48 39 cb 0f 92 c1 20 c1 0f b6 c1 5b 5d c3 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb <48> c7 c0 00 00 80 a0 41 be 01 00 00 00 48 39 c7 72 0c 48 c7 c0 40

[ 253.544468] RSP: 0018:ffff8882d8baf4c0 EFLAGS: 00000246

[ 253.544471] RAX: 1ffff1105b175

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 5.7, < 5.10.103 Affected

Frequently Asked Questions

What is CVE-2022-48937?

CVE-2022-48937 is a low-severity vulnerability affecting linux linux_kernel. It was published on August 22, 2024 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2022-48937?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-48937?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-48937?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-48937 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.