Document-Linux-Privilege-Escalation

Linux 権限昇格（snapd 経由） プロジェクトの目的： Canonical の snapd デーモン（Ubuntu Linux のデフォルトサービス）の REST API における「DirtySock」（CVE-2019-7304）と呼ばれる脆弱性を悪用して、root アクセスを取得します。 Ramil Mustafayev のガイド:...

Linux Distros Unpatched Vulnerability : CVE-2026-89700

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: validate sockaddr length per family in listenerset nfsdsocknlpolicy declares NFSDASOCKADDR as a bare NLABINARY attribute with no minimum length. A...

DEBIAN-CVE-2026-89702

In the Linux kernel, the following vulnerability has been resolved: nfsd: size fhverify server sockaddr slot by xptlocallen The nfsdfhverify and nfsdfhverifyerr tracepoints declare the server sockaddr slot sized by xptremotelen but fill it from xptlocal using xptlocallen: TPSTRUCTentry...

CVE-2026-89700 nfsd: validate sockaddr length per family in listener_set

In the Linux kernel, the following vulnerability has been resolved: nfsd: validate sockaddr length per family in listenerset nfsdsocknlpolicy declares NFSDASOCKADDR as a bare NLABINARY attribute with no minimum length. A CAPNETADMIN caller can send a 16-byte NFSDASOCKADDR with safamily=AFINET6,...

CVE-2026-74270

In the Linux kernel, the following vulnerability has been resolved: handshake: Require admin permission for DONE command ACCEPT and DONE are the two downcalls of the handshake genl family, both intended for use by the trusted handshake agent tlshd. ACCEPT already requires GENLADMINPERM; DONE has ...

SUSE-SU-2026:2801-1 Security update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformats-binary, jackson-modules-base, jackson-parent

This update for jackson-annotations, jackson-bom, jackson-core, jackson-databind, jackson-dataformats-binary, jackson-modules-base, jackson-parent fixes the following issues - CVE-2026-54512: jackson-databind has a PolymorphicTypeValidator bypass via generic type parameters that allows arbitrary...

SUSE CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

Server-side Request Forgery (SSRF)

Overview com.fasterxml.jackson.core:jackson-databind is a library which contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the JDKFromStringDeserializer class,...

GHSA-HGJ6-7826-R7M5 jackson-databind: InetSocketAddress deserialization triggers eager DNS resolution (SSRF)

Summary JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution for hostname inputs at deserialization time. An application that binds untrusted JSON into a type containing an InetSocketAddress field issues an...

UBUNTU-CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

EUVD-2026-38592

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54514

CVE-2026-54514 affects jackson-databind’s InetSocketAddress handling during deserialization. From 2.0.0 up to fixes in 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress(host, port), causing eager DNS resolution at readValue time and enabling an attacker to trigger...

CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

CVE-2026-54514

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.0.0 until 2.18.8, 2.21.4, and 3.1.4, JDKFromStringDeserializer constructed InetSocketAddress with new InetSocketAddresshost, port, which performs eager DNS name resolution fo...

PT-2026-51597

Name of the Vulnerable Software and Affected Versions jackson-databind versions 2.0.0 through 2.18.7 jackson-databind versions 2.19.0 through 2.21.3 jackson-databind versions 3.0.0 through 3.1.3 Description The JDKFromStringDeserializer function constructs InetSocketAddress using new...

SUSE CVE-2026-48860

Reliance on IP Address for Authentication vulnerability in Erlang/OTP ssl inettlsdist module allows unauthenticated bypass of the distribution-over-TLS LAN allowlist. The inettlsdist:checkip/1 function, which enforces a LAN allowlist for Erlang distribution over TLS, calls inet:sockname/1 instead...

CVE-2026-43088

CVE-2026-43088 (Linux kernel) affects PF_KEY export paths in the net: af_key code, where IPv6 sockaddr payloads were not fully initialized in certain export messages (SADB_ACQUIRE, SADB_X_NAT_T_NEW_MAPPING, SADB_X_MIGRATE). The issue arises because pfkey_sockaddr_size() reserves 32 bytes for IPv6...

CVE-2026-43088

In the Linux kernel, the following vulnerability has been resolved: net: afkey: zero aligned sockaddr tail in PFKEY exports PFKEY export paths use pfkeysockaddrsize when reserving sockaddr payload space, so IPv6 addresses occupy 32 bytes on the wire. However, pfkeysockaddrfill initializes only th...

EUVD-2026-10334

The rtsockmsgbuffer function serializes routing information into a buffer. As a part of this, it copies sockaddr structures into a sockaddrstorage structure on the stack. It assumes that the source sockaddr length field had already been validated, but this is not necessarily the case, and it's...