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kernel: Linux kernel: Denial of service and memory corruption in RDMA umad

🗓️ 06 May 2026 08:21:05Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Local user can cause integer underflow in the remote memory access user mode device, leading to memory corruption and denial of service.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-23243
18 Mar 202610:05
–attackerkb
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1514)
30 Mar 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1543)
7 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1544)
7 Apr 202600:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-115 (ALASKERNEL-5.10-2026-115)
1 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2026:21706)
28 May 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2026:21745)
29 May 202600:00
–nessus
Tenable Nessus		Debian dla-4561 : linux-config-6.1 - security update
2 May 202600:00
–nessus
Tenable Nessus		Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update
3 Jun 202600:00
–nessus
Tenable Nessus		Debian dsa-6238 : ata-modules-6.12.74+deb13+1-armmp-di - security update
30 Apr 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.0aarch64bpftool0:5.14.0-70.178.1.el9_0bpftool-0:5.14.0-70.178.1.el9_0.aarch64.rpm
Red Hat Enterprise Linux9.0ppc64lebpftool0:5.14.0-70.178.1.el9_0bpftool-0:5.14.0-70.178.1.el9_0.ppc64le.rpm
Red Hat Enterprise Linux9.0s390xbpftool0:5.14.0-70.178.1.el9_0bpftool-0:5.14.0-70.178.1.el9_0.s390x.rpm
Red Hat Enterprise Linux9.0x86_64bpftool0:5.14.0-70.178.1.el9_0bpftool-0:5.14.0-70.178.1.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0aarch64bpftool-debuginfo0:5.14.0-70.178.1.el9_0bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.aarch64.rpm
Red Hat Enterprise Linux9.0ppc64lebpftool-debuginfo0:5.14.0-70.178.1.el9_0bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.ppc64le.rpm
Red Hat Enterprise Linux9.0s390xbpftool-debuginfo0:5.14.0-70.178.1.el9_0bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.s390x.rpm
Red Hat Enterprise Linux9.0x86_64bpftool-debuginfo0:5.14.0-70.178.1.el9_0bpftool-debuginfo-0:5.14.0-70.178.1.el9_0.x86_64.rpm
Red Hat Enterprise Linux9.0aarch64kernel0:5.14.0-70.178.1.el9_0kernel-0:5.14.0-70.178.1.el9_0.aarch64.rpm
Red Hat Enterprise Linux9.0ppc64lekernel0:5.14.0-70.178.1.el9_0kernel-0:5.14.0-70.178.1.el9_0.ppc64le.rpm
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28 May 2026 20:18Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.8
EPSS0.00022
CWE-131
remote memory accessuser mode devicememory corruptioninteger underflowout of bounds writedenial of servicelocal userinformation disclosuredata integrity issues
3