CVE-2026-43503 net: skbuff: propagate shared-frag marker through frag-transfer helpers

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving frags from source to...

CVE-2026-43503

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving frags from source to...

RLSA-2026:19666 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation LPE vulnerability in the Linux kernel CVE-2026-46300 kernel: Read root-owned fil...

SUSE CVE-2023-53526

In the Linux kernel, the following vulnerability has been resolved: jbd2: check 'jh-btransaction' before removing it from checkpoint Following process will corrupt ext4 image: Step 1: jbd2journalcommittransaction jbd2journalinsertcheckpointjh, committransaction // Put jh into trans1-tcheckpointli...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fragment transmission helper function failing to propagate the SKBFLSHAREDFRAG bit. This coul...

PT-2026-42878

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Two frag-transfer helpers, pskb copy fclone and skb shift, fail to propagate the SKBFL SHARED FRAG bit in skb shinfo-flags when moving fragments from source to destination. This results ...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fact that the skbtrycoalesce function does not propagate the SKBFLSHAREDFRAG flag during...

Exploit for Incorrect Resource Transfer Between Spheres in Linux Linux_Kernel

CVE-2026-31431 / Copy Fail Checker 🔒 Linux kernel vulnerabili...

USN-8279-2: Linux kernel (GCP) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8297-1: Linux kernel (GCP) vulnerabilities

Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. CVE-2023-2640 Shir Tamari and Sagi Tzadik...

USN-8297-1 linux-gcp-5.15 vulnerabilities

Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission checks in certain situations. A local attacker could possibly use this to gain elevated privileges. CVE-2023-2640 Shir Tamari and Sagi Tzadik...

USN-8280-2: Linux kernel (Azure)vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8280-2 linux-azure, linux-azure-5.4, linux-azure-fips vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8281-2: Linux kernel (Azure) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8281-2 linux-azure-4.15, linux-azure-fips vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

Exploit for Incorrect Resource Transfer Between Spheres in Linux Linux_Kernel

Copy Fail — Python PoC CVE-2026-31431 This is a compact Pyt...

USN-8277-2 linux-oracle-6.17 vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8277-2: Linux kernel (Oracle) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8291-2: Linux kernel (Low Latency) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; - Netfilter; - iouring subsystem; CVE-2024-35862, CVE-2024-50060, CVE-2026-23274,...

USN-8291-2 linux-lowlatency-hwe-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; - Netfilter; - iouring subsystem; CVE-2024-35862, CVE-2024-50060, CVE-2026-23274,...