CVE-2022-48689

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

UBUNTU-CVE-2022-48689

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

CVE-2022-48689

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

CVE-2022-48689

CVE-2022-48689 pertains to a Linux kernel issue in TCP zerocopy where pfmemalloc status could be misinterpreted by page_is_pfmemalloc() in certain paths. The Astra Linux note confirms the advisory and reiterates the same vulnerability in the kernel and notes a prereq backport: 84ce071e38a6 (net: ...

CVE-2022-48689 tcp: TX zerocopy should not sense pfmemalloc status

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

CVE-2022-48689

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

CVE-2022-48689 tcp: TX zerocopy should not sense pfmemalloc status

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

CVE-2022-48689 tcp: TX zerocopy should not sense pfmemalloc status

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

SUSE CVE-2024-26640

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....

CVE-2024-26640

A vulnerability was found in Linux Kernel where rx zerocopy feature allowed mapping of pages owned by the filesystem, leading to potential system panic which is caused by the lack of sanity checks to rx zerocopy. A local authenticated attacker could exploit this vulnerability to cause a denial of...

DEBIAN-CVE-2024-26640

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....

CVE-2024-26640

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....

CVE-2024-26640

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....

CVE-2024-26640 tcp: add sanity checks to rx zerocopy

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....

CVE-2024-26640

CVE-2024-26640 — Linux kernel TCP rx zerocopy sanity checks (Mode C) Affects: Linux kernel TCP rx zerocopy path. Root cause: can_map_frag() lacked validation when mapping NIC-allocated pages, risking misuse of pages owned by filesystems. The patch adds two checks: (1) the page must not be a compo...

CVE-2024-26640 tcp: add sanity checks to rx zerocopy

In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially allocated from NIC drivers, not pages owned by a fs. This patch adds to canmapfrag these additional checks: - Page must not be a compound one....

Zerocopy: Some Ref methods are unsound with some type parameters

The Ref methods intoref, intomut, intoslice, and intoslicemut are unsound and may allow safe code to exhibit undefined behavior when used with Ref where B is cell::Ref or cell::RefMut. Note that these methods remain sound when used with B types other than cell::Ref or cell::RefMut. See...

GHSA-RJHF-4MH8-9XJQ Zerocopy: Some Ref methods are unsound with some type parameters

The Ref methods intoref, intomut, intoslice, and intoslicemut are unsound and may allow safe code to exhibit undefined behavior when used with Ref where B is cell::Ref or cell::RefMut. Note that these methods remain sound when used with B types other than cell::Ref or cell::RefMut. See...

Ref methods into_ref, into_mut, into_slice, and into_slice_mut are unsound when used with cell::Ref or cell::RefMut

This advisory is also published as RUSTSEC-2023-0074. The Ref methods intoref, intomut, intoslice, and intoslicemut are unsound and may allow safe code to exhibit undefined behavior when used with Ref where B is cell::Ref or cell::RefMut. Note that these methods remain sound when used with B type...

GHSA-3MV5-343C-W2QG Ref methods into_ref, into_mut, into_slice, and into_slice_mut are unsound when used with cell::Ref or cell::RefMut

This advisory is also published as RUSTSEC-2023-0074. The Ref methods intoref, intomut, intoslice, and intoslicemut are unsound and may allow safe code to exhibit undefined behavior when used with Ref where B is cell::Ref or cell::RefMut. Note that these methods remain sound when used with B type...