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Review reviewHigh

CVE-2022-50231

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon] Read of size 4 at addr ffff0010e293f010 by task syz-executor.5/1646715 CPU: 4 PID: 1646715 Comm: syz-executor.5 Kdump: loaded Not tainted 5.10.0.aarch64 #1 Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.59 01/31/2019 Call trace: dump_backtrace+0x0/0x394 show_stack+0x34/0x4c arch/arm64/kernel/stacktrace.c:196 __dump_stack lib/dump_stac...

CVSS
7.1
EPSS
0.20%
9.82% percentile
CISA KEV
Not listed
Published
2025.06.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.20%
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon] Read of size 4 at addr ffff0010e293f010 by task syz-executor.5/1646715 CPU: 4 PID: 1646715 Comm: syz-executor.5 Kdump: loaded Not tainted 5.10.0.aarch64 #1 Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.59 01/31/2019 Call trace: dump_backtrace+0x0/0x394 show_stack+0x34/0x4c arch/arm64/kernel/stacktrace.c:196 __dump_stack lib/dump_stac...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= f569ca16475155013525686d0f73bc379c67e635 < 3c77292d52b341831cb09c24ca4112a1e4f9e91f, >= f569ca16475155013525686d0f73bc379c67e635 < 3d4c28475ee352c440b83484b72b1320ff76364a, >= f569ca16475155013525686d0f73bc379c67e635 < 8d25a08599df7ca3093eb7ca731c7cd41cbfbb51, >= f569ca16475155013525686d0f73bc379c67e635 < d069dcffef849b8fd10030fd73007a79612803e6, >= f569ca16475155013525686d0f73bc379c67e635 < 7ae19d422c7da84b5f13bc08b98bd737a08d3a53, >= 5.5, >= 5.5 < 5.10.136, >= 5.11 < 5.15.60, >= 5.16 < 5.18.17, >= 5.19 < 5.19.1
Fixed versions
5.10.136, 5.15.60, 5.18.17, 5.19.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-125
CVE-2022-50231 — Linux Linux, linux kernel | SECUFOCUS NOW