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wire 2026-09-04
stories 15
RSS Archive Topics

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$ the-wire · showcase

secretmem locked-page accounting hole closed across Linux tree

By RepoJournal · Filed · About Linux

Linus Torvalds
1 person shipped this
Linus Torvalds @torvalds 4 cited

The mm hotfixes pull for 7.3 rc2 fixes a secretmem workaround that lets unprivileged users evade RLIMIT_MEMLOCK.

The mm hotfixes merge [1] lands 18 fixes, 13 cc:stable and 15 for MM, including one that closes a real accounting hole in mm/secretmem [2]. Secretmem stopped folios from being evicted even after unmap, letting a user map and unmap repeatedly to dodge RLIMIT_MEMLOCK; the fix properly accounts locked pages so the limit actually applies.

Networking also gets a batch of fixes [3], with regressions in page_pool handling odd-sized frags, a u32 duplicate-handle problem when the node ID pool is exhausted, igmp switching to RCU for ip_sf_list, and ip6_gre adding a check before transmit. The ACPI merge [4] merely drops two fields that lost their users, and the s390 merge [5] handles data races, KMSAN reports, and missing length checks across SCLP and zcrypt.

$ ls linux/reviews/ # the step-back reads

the week in review secretmem locked-page accounting fix lands the month in review Linux 7.2 closes and 7.3 opens amid kernel hardening and Omarchy's security push
Topics: Infrastructure Full archive →

Quick answers

What shipped in Linux on September 4, 2026?
The mm hotfixes pull for 7.3 rc2 fixes a secretmem workaround that lets unprivileged users evade RLIMIT_MEMLOCK. In total, 15 commits landed.
Who contributed to Linux on September 4, 2026?
1 developer shipped this update, including Linus Torvalds.
What were the notable Linux updates?
Merge tag 'mm-hotfixes-stable-2026-09-03-17-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm, mm/secretmem: properly account locked pages, and Merge tag 'net-7.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.
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$ log Linux --recent

Omarchy hardens lock and sleep hook installs, restrains Kitty remote control 43 shipped Driver core, NVMe, LoongArch fixes land in 7.3-rc2; Omarchy gains OpenClaw app 26 shipped DRM fixes target Blackwell display, ceph nearfull_sync on remount 15 shipped randstruct off with Rust, Hermes probe and keepLoaded fixes 6 shipped

$ log --all # elsewhere on the wire

Meta React Native adds Stable API guards to renderer attributed string FastAPI & Pydantic Pydantic fixes Mypy plugin crash, tightens datetime constraints

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Anthropic OpenAI

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