Linux kernel 缓冲区错误漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. The Linux kernel has a buffer error vulnerability, which stems from the lack of separation of paginated fragments during the processing of DATA and RESPONSE packets in...

VulnCheck KEV: CVE-2026-43500

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50259)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50259 advisory. - rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present Hyunwoo Kim Orabug: 39342689 CVE-2026-43500 Tenable has extracted the...

SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1778-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1778-1 advisory. The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix the following issue: This fixes the DirtyFrag issues: - CVE-2026-43284: xfrm: esp...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50257)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50257 advisory. - xfrm: esp: ipv4: fix up flags setting Greg Kroah-Hartman Orabug: 39342679 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Tin...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-017397)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017397 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-017401)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017401 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe...

xfrm: esp: avoid in-place decrypt on shared skb frags

...

Dirty Frag: Using the Page Caches as an Attack Surface

Dirty Frag is a Linux local privilege escalation LPE chain published on May 7, 2026. It combines two previously unknown kernel vulnerabilities can allow an unprivileged local user to escalate to root on many major Linux distributions. xfrm-ESP Page-Cache Write CVE-2026-43284 RxRPC Page-Cache Writ...

SUSE CVE-2026-43284

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFLSHAREDFRAG after skbsplicefromiter, so later paths that may modify packet data ca...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: afunix: Give up GC if MSGPEEK intervened. CVE-2026-23394 In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths CVE-2026-23442 In the Linux kernel, the...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: add seqadj extension for natted connections CVE-2025-68206 In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: reject rev0 reuse of ALARM timer labels...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: do not free data reservation in fallback from inline due to -ENOSPC CVE-2025-71269 In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix race condition for gdev-srcu CVE-2026-2298...

Unbreakable Enterprise kernel security update: Dirty Frag

5.15.0-319.201.4.6 - xfrm: esp: ipv4: fix up flags setting Greg Kroah-Hartman Orabug: 39342679 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39342679 CVE-2026-43284 5.15.0-319.201.4.5 - iommu/arm-smmu-v3: Handle zeroed A4-2C HTTU override settings...

Unbreakable Enterprise kernel security update: Dirty Frag

5.4.17-2136.354.4.3 - xfrm: esp: avoid in-place decrypt on shared skb frags Kuan-Ting Chen Orabug: 39342682 CVE-2026-43284...

Important: kernel-livepatch-6.12.73-95.123

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43284 Affected Packages:...

Important: kernel-livepatch-6.12.68-92.122

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43284 Affected Packages:...

Important: kernel-livepatch-5.10.252-250.1005

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43284 Affected Packages:...

Important: kernel-livepatch-5.10.252-250.1016

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43284 Affected Packages:...

Important: kernel-livepatch-5.10.251-248.983

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other issues in Amazon Linux kernels: https://aws.amazon.com/security/security-bulletins/2026-027-aws/ CVE-2026-43284 Affected Packages:...