VulnSocial

CVE-2026-64520General

LOWCVSS 8.4 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies The register-based PARTITION_INFO_GET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index progressions so the copy loop cannot write past the allocated array. (fixed cur_idx when exactly one descriptor in the first fragment)

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0.5/ 10 priority

Sources & remediation

Other references

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • General: 2 classified signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 3 mentions (2026-07-25); latest day: 1
  • 4 total mentions across 2 days

Deep dive

Activity timeline4 mentions / 2d
01223Mentions · 2026-07-25: 3Mentions · 2026-07-26: 1Patch / Workaround · 2026-07-25: 1Technical Details · 2026-07-25: 207-2507-26
Signal classification3 categories
General
250.0%
Disclosure
125.0%
Patch
125.0%
Referenced assets5 URLs
Classification over time
DateTotalLabels
2026-07-253
Disclosure1General1Patch1
2026-07-261
General1
Full discourse4 posts
  • CVE@CVEnew
    Patch

    CVE-2026-64520 In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies The register-based PARTITION_INFO_GET pa… https://www.cve.org/CVERecord?id=CVE-2026-64520

    Post summary

    CVE‑2026‑64520 is a bounded copy vulnerability in the Linux kernel firmware ARM FFA module that has been fixed by a patch. No active exploitation, PoC, or false claim is reported.

    010001.1K
    57.9K followersView on X
  • VulDB 🛡@vuldb
    General

    The severity is increased for this new vulnerability affecting Linux Kernel (CVE-2026-64520) https://vuldb.com/vuln/383314

    Post summary

    The post indicates that CVE-2026-64520 now has a higher severity rating for the Linux kernel, referencing a Vuldb page for more information, but offers no details on exploitation, patches, or technical specifics.

    00000148
    2.3K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-64520 In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies The register-based PARTITION_INFO_GET pa… https://www.cve.org/CVERecord?id=CVE-2026-64520 ----- Traducción: CVE-2026-64520 En … http://infoflow.cloud`

    Post summary

    The tweet merely announces that CVE-2026-64520 has been resolved in the Linux kernel, referencing a CVE record but providing no exploit or patch details.

    0000019
    95 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-64520 In the Linux kernel, the following vulnerability has been resolve... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-64520 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1

    Post summary

    The tweet announces CVE-2026-64520 and provides a link to a vulnerability page, but offers no PoC, exploit code, active exploitation evidence, remediation details, or technical specifics.

    00000116
    4.1K followersView on X

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