Selfhosted@lemmy.worldEnglish · 3 months ago

Copy Fail – CVE-2026-31431

copy.fail

Copy Fail – CVE-2026-31431

copy.fail

cyrano@piefed.social to

Selfhosted@lemmy.worldEnglish · 3 months ago

Copy Fail — 732 Bytes to Root

copy.fail

CVE-2026-31431. 100% Reliable Linux LPE — no race, no per-distro offsets, page-cache write that bypasses on-disk file-integrity tools and crosses containers. Found by Xint Code.

cross-posted from: https://lemmy.bestiver.se/post/1076650

Comments

Chat

corsicanguppy@lemmy.ca
link
fedilink
English
arrow-up
5·
3 months ago
Do the sysctl fix and you’re fine to wait for a patch.

You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !selfhosted@lemmy.world

A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don’t control.

Rules:

Detailed Rules Post

Be civil.
No spam.
Posts are to be related to self-hosting.
Don’t duplicate the full text of your blog or readme if you’re providing a link.
Submission headline should match the article title.
No trolling.
Promotion posts require active participation, with an account that is at least 30 days old. F/LOSS without a paywall has exceptions, with requirements. See the rules link for details. Tags [CBH] or [AIP] are required, see the links in Rule 8 for details.
AI-related discussions and AI-involved promotional posts have additional requirements for tagging, as noted in Rule 7 and the AI & Promotional Post Expanded Rules post, and find example disclosures here.

Resources:

selfh.st Newsletter and index of selfhosted software and apps
awesome-selfhosted software
awesome-sysadmin resources
Self-Hosted Podcast from Jupiter Broadcasting

Any issues on the community? Report it using the report flag.

Questions? DM the mods!

Visibility: Public

This community can be federated to other instances and be posted/commented in by their users.

485 users / day
3.16K users / week
5.32K users / month
9.96K users / 6 months
1 local subscriber
60.7K subscribers
855 Posts
11.3K Comments
Modlog