Summary
[6.12.0-203.76.7.6]
- net: skbuff: fix missing zerocopy reference in pskb_carve helpers (Minh Nguyen) [Orabug: 39639984] {CVE-2026-52943}
Credit Statement:
The following people reported security vulnerabilities addressed by this ELSA to Oracle:
Minh Nguyen <minhnguyen.080505@gmail.com> CVE-2026-52943
Fixed packages 35
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 9 | kernel-uek | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-core | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-core | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-devel | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-core | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-deprecated | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-desktop | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-extra | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-extra-netfilter | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-usb | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-debug-modules-wireless | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-devel | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-doc | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-core | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-deprecated | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-desktop | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-extra | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-extra-netfilter | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-usb | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-modules-wireless | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek-tools | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-core | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-devel | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-core | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-deprecated | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-desktop | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-extra | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-extra-netfilter | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-usb | 0:6.12.0-203.76.7.6.el10uek |
| Oracle Linux · 9 | kernel-uek64k-modules-wireless | 0:6.12.0-203.76.7.6.el10uek |
Vulnerabilities 1
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High 7.8CVE-2026-52943 Public exploit
net: skbuff: fix missing zerocopy reference in pskb_carve helpers
In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskb_carve helpers pskb_carve_inside_header() and pskb_carve_inside_nonlinear() both copy the old skb_shared_info header into a new buffer via m…