CVE-2024-50099

Kernel panic via unsafe LDR uprobe simulation

Published Nov 5, 2024 · Updated Aug 5, 2026

Improper user-memory access in affected arm64 Linux kernel releases from 4.10 allows local users to crash or panic the kernel through uprobes. The simulate_ldr_literal() and simulate_ldrsw_literal() paths reuse plain C loads without user-access helpers or exception-table entries, so a fault is treated as an unintended kernel access. Reaching the fault requires tracing privilege to register the uprobe, after which a local user's execution can kill the kernel thread and trigger a lockup or panic.

CVSS severity5.5
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper user-memory access in affected arm64 Linux kernel releases from 4.10 allows local users to crash or panic the kernel through uprobes. The simulate_ldr_literal() and simulate_ldrsw_literal() paths reuse plain C loads without user-access helpers or exception-table entries, so a fault is treated as an unintended kernel access. Reaching the fault requires tracing privilege to register the uprobe, after which a local user's execution can kill the kernel thread and trigger a lockup or panic.

The record

CVE
CVE-2024-50099
Published
Nov 5, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499.004
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 5, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.10
  2. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <20cde998315a3d2df08e26079a3ea7501abce6db
  3. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <3728b4eb27910ffedd173018279a970705f2e03a
  4. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <9f1e7735474e7457a4d919a517900e46868ae5f6
  5. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <acc450aa07099d071b18174c22a1119c57da8227
  6. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <ad4bc35a6d22e9ff9b67d0d0c38bce654232f195
  7. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <ae743deca78d9e4b7f4f60ad2f95e20e8ea057f9
  8. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <bae792617a7e911477f67a3aff850ad4ddf51572
  9. Affected versionversion=9842ceae9fa8deae141533d52a6ead7666962c09 <cc86f2e9876c8b5300238cec6bf0bd8c842078ee

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=4.10; version=9842ceae9fa8deae141533d52a6ead7666962c09 <20cde998315a3d2df08e26079a3ea7501abce6db; version=9842ceae9fa8deae141533d52a6ead7666962c09 <3728b4eb27910ffedd173018279a970705f2e03a; version=9842ceae9fa8deae141533d52a6ead7666962c09 <9f1e7735474e7457a4d919a517900e46868ae5f6; version=9842ceae9fa8deae141533d52a6ead7666962c09 <acc450aa07099d071b18174c22a1119c57da8227; version=9842ceae9fa8deae141533d52a6ead7666962c09 <ad4bc35a6d22e9ff9b67d0d0c38bce654232f195; version=9842ceae9fa8deae141533d52a6ead7666962c09 <ae743deca78d9e4b7f4f60ad2f95e20e8ea057f9; version=9842ceae9fa8deae141533d52a6ead7666962c09 <bae792617a7e911477f67a3aff850ad4ddf51572; version=9842ceae9fa8deae141533d52a6ead7666962c09 <cc86f2e9876c8b5300238cec6bf0bd8c842078ee

Published CVSS scores

5.5NISTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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