Alibaba Cloud Linux 3 : 0325: libpcap (ALINUX3-SA-2026:0325)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0325 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-0799: In BPF instructions that load/store ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libpcap (UTSA-2026-142316)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142316 advisory. In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BP...

CLSA-2026-1792511364 libpcap: Fix of CVE-2026-0799

CVE-2026-0799: Access M safely in the BPF interpreter by bounds-checking the scratch memory register index in the "ld Mk", "ldx Mk", "st Mk" and "stx Mk" instructions, so an unvalidated BPF program cannot read or write outside mem...

CLSA-2026-1792511293 Fix CVE(s): CVE-2026-0799

SECURITY UPDATE: out-of-bounds memory access in the BPF interpreter - debian/patches/CVE-2026-0799.patch: reject scratch memory register indexes = BPFMEMWORDS in bpf/net/bpffilter.c - CVE-2026-0799...

AlmaLinux 9.6 [TuxCare] Security Update: libpcap / libpcap-devel (ALMALINUX9.6:CLSA-2026:1792511364)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1792511364 advisory. - In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not...

Rocky Linux 9.6 [TuxCare] Security Update: libpcap / libpcap-devel (ALMALINUX9.6:CLSA-2026:1792511364)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1792511364 advisory. - In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must n...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: libpcap (UTSA-2026-130086)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130086 advisory. In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BP...

CLSA-2026-1791564868 libpcap: Fix of CVE-2026-0799

CVE-2026-0799: Access M safely in the BPF interpreter by bounds-checking the scratch memory register index in the "ld Mk", "ldx Mk", "st Mk" and "stx Mk" instructions, so an unvalidated BPF program cannot read or write outside mem...

AlmaLinux 9.2 [TuxCare] Security Update: libpcap / libpcap-devel (ALMALINUX9.2:CLSA-2026:1791564868)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1791564868 advisory. - In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not...

Oracle Linux 8 : libpcap (ELSA-2026-76045)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-76045 advisory. - Fix CVE-2026-0799: add bounds checks for BPF scratch memory register indices in the BPF interpreter Tenable has extracted the preceding description block...

libpcap: libpcap: Out-of-bounds read and write vulnerability allows arbitrary memory access

A flaw was found in libpcap. The Berkeley Packet Filter BPF interpreter in libpcap does not properly validate register indexes in BPF instructions. A local attacker could craft a malicious filter program to trigger an out-of-bounds read and write vulnerability. This could allow the attacker to re...

libpcap security update

14:1.9.1-6 - Fix CVE-2026-0799: add bounds checks for BPF scratch memory register indices in the BPF interpreter - Resolves: RHEL-256926...

Oracle Linux 9 : libpcap (ELSA-2026-74441)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-74441 advisory. 14:1.10.0-4.1 - Fix CVE-2026-0799: add bounds checks for BPF scratch memory register indices in the BPF interpreter Related: RHEL-256935 Tenable has extracted...

libpcap: libpcap: Out-of-bounds read and write vulnerability allows arbitrary memory access

A flaw was found in libpcap. The Berkeley Packet Filter BPF interpreter in libpcap does not properly validate register indexes in BPF instructions. A local attacker could craft a malicious filter program to trigger an out-of-bounds read and write vulnerability. This could allow the attacker to re...

libpcap: libpcap: Out-of-bounds read and write vulnerability allows arbitrary memory access

A flaw was found in libpcap. The Berkeley Packet Filter BPF interpreter in libpcap does not properly validate register indexes in BPF instructions. A local attacker could craft a malicious filter program to trigger an out-of-bounds read and write vulnerability. This could allow the attacker to re...

libpcap security update

14:1.10.0-4.1 - Fix CVE-2026-0799: add bounds checks for BPF scratch memory register indices in the BPF interpreter Related: RHEL-256935...

libpcap security update

14:1.10.4-7.1 - Fix CVE-2026-0799: validate BPF scratch memory register indices in the BPF interpreter to prevent out-of-bounds memory access Resolves: RHEL-256921...

Oracle Linux 10 : libpcap (ELSA-2026-74442)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-74442 advisory. 14:1.10.4-7.1 - Fix CVE-2026-0799: validate BPF scratch memory register indices in the BPF interpreter to prevent out-of-bounds memory access Resolves:...

Linux BPF Map Get Info By FD Use-After-Free

The vulnerability of the bpfmapgetinfobyfd function in the kernel/bpf/syscall.c module, which is part of the Linux operating system’s BPF interpreter support, is related to synchronization errors when using shared resources. Exploiting this vulnerability could allow an attacker to compromise the...

Important: libpcap

Issue Overview: In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter program can cause the...