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CVE-2026-89096— Nfs-utils: nfs-utils: denial of service via memory leak in rpc.statd

Quick assessment

Affected
Red Hat Red Hat Enterprise Linux 10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 nfs-utils 中发现一处漏洞。未经身份验证的远程攻击者可通过向暴露的 rpc.statd 服务重复发送状态通知请求，触发拒绝服务（DoS）攻击。该服务在处理回调时未能正确释放已分配的内存，导致内存持续增长。持续的攻击请求可能耗尽系统资源，最终导致服务性能下降或崩溃。

CVSS 5.9 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood

Affected Version Matrix 7

VendorProduct Version RangeStatus
Red Hat Red Hat Enterprise Linux 10 any affected
Red Hat Red Hat Enterprise Linux 6 any unknown
Red Hat Red Hat Enterprise Linux 7 any affected
Red Hat Red Hat Enterprise Linux 8 any affected
Red Hat Red Hat Enterprise Linux 9 any affected
Red Hat Red Hat OpenShift Container Platform 4 any affected
any affected
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I. Basic Information for CVE-2026-89096

Vulnerability Information
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Vulnerability Title
Nfs-utils: nfs-utils: denial of service via memory leak in rpc.statd
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in nfs-utils. An unauthenticated remote attacker can trigger a Denial of Service (DoS) by sending repeated state notification requests to an exposed rpc.statd service. The service fails to properly release memory allocated during callback processing, leading to continuous memory growth. Sustained requests can exhaust system resources, eventually causing the service to degrade or crash.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对已超过有效生命周期的资源丧失索引
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Enterprise Linux 10 - cpe:/o:redhat:enterprise_linux:10
Red Hat Red Hat Enterprise Linux 6 - cpe:/o:redhat:enterprise_linux:6
Red Hat Red Hat Enterprise Linux 7 - cpe:/o:redhat:enterprise_linux:7
Red Hat Red Hat Enterprise Linux 8 - cpe:/o:redhat:enterprise_linux:8
Red Hat Red Hat Enterprise Linux 9 - cpe:/o:redhat:enterprise_linux:9
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4
Red Hat Red Hat OpenShift Container Platform 4 - cpe:/a:redhat:openshift:4

II. Public POCs for CVE-2026-89096

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III. Intelligence Information for CVE-2026-89096

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Vendor Advisories for CVE-2026-89096 (2)

Same Patch Batch · Red Hat · 2026-10-16 · 15 CVEs total

CVE-2026-104715 7.8 HIGH Cifs-utils: mount.cifs credential-file option injection allows local privilege boundary by
CVE-2026-105958 7.5 HIGH Spice-server: spice: heap oob read/write via unchecked migration data offsets
CVE-2026-105959 7.5 HIGH Spice-server: spice: heap buffer overflow via glz dictionary max_encoders integer truncati
CVE-2026-62439 7.0 HIGH Gimp: gimp: file-pvr plug-in pvr file parsing integer overflow heap-based buffer overflow
CVE-2026-89085 6.6 MEDIUM Parted: parted: heap-based buffer overflow via crafted fat32 filesystem image
CVE-2026-111802 6.6 MEDIUM Nautilus: nautilus: arbitrary file deletion via trash symlink
CVE-2026-85231 6.5 MEDIUM Libtirpc: libtirpc: denial of service via unbounded memory allocation during rpcsec_gss de
CVE-2026-62438 6.1 MEDIUM Gimp: gimp: paa integer overflow out-of-bounds read
CVE-2026-111555 6.0 MEDIUM Luksmeta: missing slot-range validation permits out-of-gap device i/o
CVE-2026-89088 5.5 MEDIUM Parted: parted: denial of service via heap buffer overflow during fat16 resize
CVE-2026-89098 5.5 MEDIUM Nfs-utils: nfs-utils: denial of service via assertion failure in fsidd
CVE-2026-85977 5.3 MEDIUM Libtirpc: libtirpc: denial of service via unbounded memory allocation during portmapper re
CVE-2026-17591 3.6 LOW Libarchive: libarchive: use-after-free via aliased mac metadata copy
CVE-2026-111581 3.3 LOW Libblockdev: libblockdev: argument injection in ntfs/vfat label-setting helpers via udisks

IV. Related Vulnerabilities

Same product: Red Hat Enterprise Linux 10
Same vendor: Red Hat
Same weakness: CWE-772

V. Comments for CVE-2026-89096

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