CVE-2025-10263Patch

LOWCVSS 9.1 · CRITICAL

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.

0.8/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-362CWE-266

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 16 mentions across 9 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 9 signals
  • Technical details provided in 6 signals
  • General: 5 classified signals
  • Disclosure: 1 classified signal
  • Peaked 7d ago at 4 mentions (2026-06-10); latest day: 3
  • 16 total mentions across 9 days

Deep dive

Activity timeline16 mentions / 9d
01234Mentions · 2026-06-09: 2Mentions · 2026-06-10: 4Mentions · 2026-06-11: 1Mentions · 2026-06-12: 2Mentions · 2026-06-18: 1Mentions · 2026-06-19: 1Mentions · 2026-06-23: 1Mentions · 2026-09-08: 1Mentions · 2026-09-10: 3Patch / Workaround · 2026-06-10: 3Patch / Workaround · 2026-06-11: 1Patch / Workaround · 2026-06-12: 1Patch / Workaround · 2026-06-19: 1Patch / Workaround · 2026-06-23: 1Patch / Workaround · 2026-09-10: 2Technical Details · 2026-06-10: 3Technical Details · 2026-06-18: 1Technical Details · 2026-09-10: 206-0906-1006-1106-1206-1806-1906-2309-0809-10
Signal classification3 categories
Patch
1062.5%
General
531.3%
Disclosure
16.3%
Referenced assets16 URLs
Classification over time
DateTotalLabels
2026-06-092
General2
2026-06-104
General1Patch3
2026-06-111
Patch1
2026-06-122
Patch2
2026-06-181
General1
2026-06-191
Patch1
2026-06-231
Patch1
2026-09-081
General1
2026-09-103
Disclosure1Patch2
Full discourse16 posts
  • Phoronix@phoronix
    Patch

    Linux Sees Patches For "Critical" Vulnerability Affecting Many Arm CPUs Can lead to privilege escalation across many Arm CPU cores. Linux mitigation patches pending. https://www.phoronix.com/news/Arm-CPU-Critical-CVE-2025-10263

    Post summary

    The article announces a critical CVE‑2025‑10263 affecting many Arm CPUs that could enable privilege escalation; Linux patches are pending but no exploit or PoC is discussed.

    2636364.4K
    69.5K followersView on X
  • CrazyRuckusN64@CrazyRuckusN64
    Disclosure

    @Pablomf6 yeah there is a vulneribility on the arm cpu and the switch 2 is including in many of them https://gbatemp.net/threads/research-cve-2025-10263-arm-erratum-4193794-potential-kernel-escalation-on-switch-2.684099/ https://t.co/jYpoGKkWy8

    Post summary

    The tweet points to a new ARM CPU vulnerability (CVE‑2025‑10263) that may enable kernel escalation, but offers no details on exploitation or mitigation.

    10037246.1K
    1.0K followersView on X
  • Anderson Nascimento@andersonc0d3
    General

    Xen Security Advisory 491 v2 (CVE-2026-42487) - x86 HVM I/O port list traversal https://seclists.org/oss-sec/2026/q2/857 Xen Security Advisory 492 v3 (CVE-2026-42489,CVE-2026-42490) - domctl lock open to abuse https://seclists.org/oss-sec/2026/q2/858 Xen Security Advisory 493 v2 (CVE-2025-10263) - Arm: Completion of memory accesses not guaranteed by completion of a TLBI https://seclists.org/oss-sec/2026/q2/859 Xen Security Advisory 494 v3 (CVE-2026-42488) - x86: mismatched mapcache metadata https://seclists.org/oss-sec/2026/q2/860

    Post summary

    The provided text enumerates Xen Security Advisories with CVE references and brief descriptors, indicating recent vulnerability disclosures, but lacks detailed technical data, PoC, exploitation claims, or patch information.

    010143797
    4.2K followersView on X
  • Miguel@Miguel_Casso
    Patch

    @CrazyRuckusN64 @Pablomf6 CVE-2025-10263 is patchable via software, and given the 2025 date, obviously Nintendo patched it in 2025.

    Post summary

    The tweet confirms that CVE-2025-10263 is patchable and claims Nintendo patched it in 2025, emphasizing the availability of a fix.

    100101691
    316 followersView on X
  • CrazyRuckusN64@CrazyRuckusN64
    Patch

    @Miguel_Casso @Pablomf6 this is a different vulnerbility not the the patched bug this is a bug on launch switch 2s, on the hardware itself, nintendo quitely fixed it on the recnt eu models that they are quietly dropping https://gbatemp.net/threads/research-cve-2025-10263-arm-erratum-4193794-potential-kernel-escalation-on-switch-2.684099/

    Post summary

    The tweet highlights an unpatched kernel escalation vulnerability (CVE‑2025‑10263) in the Switch 2 and notes that Nintendo has quietly released a patch for recent EU models.

    400221.4K
    1.0K followersView on X
  • Bryan Steele 🦋@canadianbryan
    Patch

    The codepatch code is put in a separate section which gets unmapped after boot, making it unavailable for use in ROP attacks. The commit addresses CVE-2025-10263 too, I guess. (2/3)

    Post summary

    The post references a patch that removes code from memory to mitigate a CVE, but provides no further exploit or vulnerability details.

    10010204
    2.2K followersView on X
  • Open Source Security mailing list@oss_security
    General

    Xen Security Advisory 493 v2 (CVE-2025-10263) - Arm: Completion of memory accesses not guaranteed by completion of a TLBI https://www.openwall.com/lists/oss-security/2026/06/09/13 hardware issue in certain Arm CPU designs 494 v3 (CVE-2026-42488) - x86: mismatched mapcache metadata https://www.openwall.com/lists/oss-security/2026/06/09/14

    Post summary

    The advisories disclose two CPU‑related vulnerabilities (TLBI ordering and mapcache metadata) but provide no PoC, exploit code, active exploitation evidence, patch information, or false‑positive rebuttal, focusing solely on the technical description.

    00020297
    4.7K followersView on X
  • Daily CyberSecurity@the_yellow_fall
    Patch

    Fix critical AMD security vulnerabilities and hardware security flaws now. Learn about CVE-2025-54509 and CVE-2025-10263 updates. #AMD #SecurityVulnerabilities #HardwareSecurityFlaws #CVE202554509 #CVE202510263 https://securityonline.info/amd-security-vulnerabilities/ https://t.co/KIcaAq4JHH

    Post summary

    The tweet alerts users to fix two AMD CVEs and links to a page for updates, but provides no technical details, proof‑of‑concepts, exploit code, or evidence of active exploitation.

    00020267
    12.6K followersView on X
  • nksistemas@nksistemas
    General

    CVE-2025-10263: La Vulnerabilidad ARM que Pone a Prueba la Seguridad del Hardware en Linux https://nksistemas.com/cve-2025-10263-la-vulnerabilidad-arm-que-pone-a-prueba-la-seguridad-del-hardware-en-linux/

    Post summary

    The provided text only supplies the title and a URL for a blog post about CVE‑2025‑10263, offering no further details about the vulnerability, exploits, or mitigations.

    0100185
    6.2K followersView on X
  • WindowsForum@windowsforum
    Patch

    🪟 Linux 7.1.1 shipping 5 days after mainline is the opposite of “Windows vibes” — patch now, regret later. If Azure Cobalt needs errata fixes, that’s your wake-up call. #Windows #Microsoft https://windowsforum.com/threads/linux-7-1-1-released-cve-2025-10263-tlbi-errata-patched-for-azure-cobalt-100-nvidia-olympus-and-arm-cpus.428098/?utm_source=x&utm_medium=social&utm_campaign=news_node4 #Microsoft #Security #Linux #Kernel #Arm64 #Cve https://t.co/MVE3vbH0w0

    Post summary

    The tweet announces that Linux 7.1.1 includes a patch for CVE-2025-10263 (TLBI errata), with no evidence of POC, exploit code, or active exploitation.

    0100033
    1.2K followersView on X
  • Technology Updates@DIYprojects55
    Patch

    https://pbxscience.com/multiple-arm-cpu-cores-exposed-tocritical-privilege-escalation-flawlinux-kernel-patch-released/ Multiple Arm CPU Cores Exposed to Critical Privilege-Escalation Flaw; Linux Kernel Patch Released. A critical security vulnerability, tracked as CVE-2025-10263, was publicly disclosed on June 9, 2026, affecting a wide range of Arm CPU cores spanning..

    Post summary

    A critical privilege‑escalation flaw affecting many Arm CPU cores (CVE‑2025‑10263) was disclosed, and a Linux kernel patch has been released. No PoC, exploit code, or evidence of wild exploitation is reported.

    0001087
    558 followersView on X
  • нахуй шпаклю@respect955
    General

    CVE-2025-10263?

    Post summary

    The text only poses a question about CVE-2025-10263, providing no further details.

    0000046
    32 followersView on X
  • Lify Douglas Pain@lifydouglaspain
    Patch

    Vulnerabilidad ARM: Linux recibe parches para el crítico fallo CVE-2025-10263 https://www.linuxadictos.com/vulnerabilidad-arm-linux-recibe-parches-para-el-critico-fallo-cve-2025-10263.html

    Post summary

    The text announces that Linux has issued patches for the critical ARM vulnerability CVE‑2025‑10263. No PoC, exploit code, or evidence of active exploitation is provided.

    0000037
    548 followersView on X
  • ThreatCluster@threatcluster
    Patch

    Oracle released new Oracle Linux 7, 8 and 9 kernels addressing Arm CPU TLBI errata tracked as CVE-2025-10263 in versions 5.4, 5.15 and 6.12, according to ELSA-2026 security advisories. https://threatcluster.io/cluster/oracle-linux-kernel-updates-address-cve-2025-10263-vulnerabi-54b6a3e9

    Post summary

    Oracle has released kernel updates for Oracle Linux 7‑9 that fix the Arm CPU TLBI errata CVE‑2025‑10263.

    0000083
    318 followersView on X
  • FOSS Force@FOSSForce
    Patch

    Affecting many different Arm CPU cores, CVE-2025-10263 could allow for privilege escalation on affected systems due to a specific timing condition during a memory permission change: Linux Sees Patches For "Critical" Vulnerability Affecting Many Arm CPUs https://buff.ly/etqpIP2

    Post summary

    Linux has issued patches for the critical CVE-2025-10263 affecting many Arm CPUs, which could lead to privilege escalation via a timing condition during a memory permission change.

    0000052
    2.6K followersView on X
  • CVE@CVEnew
    General

    CVE-2025-10263 Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Corte… https://www.cve.org/CVERecord?id=CVE-2025-10263

    Post summary

    The content merely lists ARM product families affected by CVE‑2025‑10263 and links to the CVE record, without providing technical details, exploit info, or patch information.

    00000140
    57.6K followersView on X

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