Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

Jan Schaumann @jschauma@mstdn.social

11/5/2025, 2:59:50 PM

Public

If you're using (edit: pretty much any, including k8s, docker, containerd) containers: congrats! You get to patch three new runc vulnerabilities that could allow for a full container break-out.

CVE-2025-31133: symlink attack on bind-mount of /dev/null for masked paths

https://github.com/opencontainers/runc/security/advisories/GHSA-9493-h29p-rfm2

CVE-2025-52565: same as above, but for /dev/console / /dev/pts/$n

https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r

CVE-2025-52881: rehash of CVE-2019-19921, writing LSM labels into a dummy tmpfs

https://github.com/opencontainers/runc/security/advisories/GHSA-cgrx-mc8f-2prm

container escape via "masked path" abuse due to mount race conditions

### Impact ### The OCI runtime specification has a `maskedPaths` feature that allows for files or directories to be "masked" by placing a mount on top of them to conceal their contents. This i...

github.com · GitHub

If you have a fediverse account, you can quote this note from your own instance. Search https://mstdn.social/users/jschauma/statuses/115497683553103053 on your instance and quote it. (Note that quoting is not supported in Mastodon.)