CVE-2026-64582PoC

MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Patch affected systems immediately
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

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4.0/ 10 priority

Priority

MEDIUM

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Threat summary

Public PoC and exploit tooling are both present
Patch or workaround signal is available
7 mentions across 4 observed days
Momentum state: stable

What's happening

Exploit tool or code specified in 3 signals
PoC mentioned or linked in 5 signals
Patch or workaround mentioned in 2 signals
Technical details provided in 7 signals
Peaked 1d ago at 3 mentions (2026-08-14); latest day: 1
7 total mentions across 4 days

Deep dive

Activity timeline7 mentions / 4d

Signal classification2 categories

PoC

571.4%

Patch

228.6%

Referenced assets4 URLs

By indicator

Classification over time

Date	Total	Labels

2026-08-05	2	Patch2
2026-08-07	1	PoC1
2026-08-14	3	PoC3
2026-08-17	1	PoC1

Full discourse7 posts

nasm@nasm_re45d
PoC
From kref_get to root: exploitation of CVE-2026-64582: https://nasm.re/posts/cve-2026-64582/. LPE on Linux 7.2-rc1 by abusing a tight race condition in the Soft-RoCE (rxe) driver.
Post summary
The post announces the discovery of CVE‑2026‑64582, a local privilege escalation in Linux’s Soft‑RoCE driver, and provides a link to a PoC demonstrating the race‑condition exploit.
19142175.3K
823 followersView on X
Daily CyberSecurity@Daily_CyberSec38d
PoC
A Linux kernel RDMA/rxe use-after-free (CVE-2026-64582) enables local privilege escalation. Full details and PoC exploit code are now public. #CVE202664582 #LinuxKernel #PrivilegeEscalation #RDMA #UseAfterFree #InfoSec https://securityonline.info/cve-2026-64582-rdma-rxe-kernel-lpe-poc/
Post summary
The post discloses CVE-2026-64582, detailing a local privilege escalation via a use‑after‑free in the Linux kernel's RDMA/rxe component, and confirms that PoC exploit code has been publicly released.
01020560
12.9K followersView on X
kokumօtօ@__kokumoto38d
PoC
Linuxカーネルのローカル権限昇格脆弱性CVE-2026-64582に対応するPoC（攻撃の概念実証コード）が公表された。RDMA/rxeにおける解放後メモリ使用。 https://securityonline.info/cve-2026-64582-rdma-rxe-kernel-lpe-poc/
Post summary
A proof‑of‑concept for CVE‑2026‑64582, a Linux kernel local privilege escalation via a use‑after‑free in RDMA/rxe, has been released, but no patches or active exploitation reports are mentioned.
00020822
7.8K followersView on X
CVE@CVEnew46d
Patch
CVE-2026-64582 In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix a use-after-free problem in rxe_mmap rxe_mmap() removes a rxe_mmap_info struct fro… https://www.cve.org/CVERecord?id=CVE-2026-64582
Post summary
CVE‑2026‑64582 is a use‑after‑free vulnerability in the Linux kernel RDMA/rxe subsystem that has been fixed; no exploitation or PoC is reported.
001101.2K
57.9K followersView on X
キタきつね@foxbook35d
PoC
CVE-2026-64582: カーネルLPEに対するPoCエクスプロイトが公開されました CVE-2026-64582: PoC Exploit Published for Kernel LPE #DailyCyberSecurity (Aug 14) https://securityonline.info/cve-2026-64582-rdma-rxe-kernel-lpe-poc/
Post summary
A Proof of Concept exploit for CVE‑2026‑64582, a kernel local privilege escalation vulnerability, has been published and linked, but no active exploitation reports or patch information are provided.
00000311
4.9K followersView on X
moton@moton37d
PoC
CVE-2026-64582: PoC Exploit Published for Kernel LPE - https://securityonline.info/cve-2026-64582-rdma-rxe-kernel-lpe-poc/
Post summary
CVE-2026-64582 is a kernel local privilege escalation vulnerability for which a PoC exploit has been published and linked; no evidence of active exploitation, patches, or false‑positive claims is provided.
0000094
750 followersView on X
Infoflowcloud@infoflowcloud46d
Patch
🚨*CVE* CVE-2026-64582 In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix a use-after-free problem in rxe_mmap rxe_mmap() removes a rxe_mmap_info struct fro… https://www.cve.org/CVERecord?id=CVE-2026-64582 ----- Traducción: CVE-2026-64582 En … http://infoflow.cloud`
Post summary
CVE-2026-64582, a use‑after‑free in Linux kernel RDMA/rxe, has been fixed; patch details are referenced via the CVE record.
0000047
97 followersView on X

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What researchers are saying

CVE-2026-64582

kokumօtօ[verified]@__kokumotoPoC

A proof‑of‑concept for CVE‑2026‑64582, a Linux kernel local privilege escalation via a use‑after‑free in RDMA/rxe, has been released, but no patches or active exploitation reports are mentioned.

キタきつね[verified]@foxbookPoC

A Proof of Concept exploit for CVE‑2026‑64582, a kernel local privilege escalation vulnerability, has been published and linked, but no active exploitation reports or patch information are provided.

nasm@nasm_rePoC

The post announces the discovery of CVE‑2026‑64582, a local privilege escalation in Linux’s Soft‑RoCE driver, and provides a link to a PoC demonstrating the race‑condition exploit.

Daily CyberSecurity@Daily_CyberSecPoC

The post discloses CVE-2026-64582, detailing a local privilege escalation via a use‑after‑free in the Linux kernel's RDMA/rxe component, and confirms that PoC exploit code has been publicly released.

CVE@CVEnewPatch

CVE‑2026‑64582 is a use‑after‑free vulnerability in the Linux kernel RDMA/rxe subsystem that has been fixed; no exploitation or PoC is reported.

moton@motonPoC

CVE-2026-64582 is a kernel local privilege escalation vulnerability for which a PoC exploit has been published and linked; no evidence of active exploitation, patches, or false‑positive claims is provided.

Infoflowcloud@infoflowcloudPatch

CVE-2026-64582, a use‑after‑free in Linux kernel RDMA/rxe, has been fixed; patch details are referenced via the CVE record.