DEBIAN-CVE-2024-57891
- Source
- https://security-tracker.debian.org/tracker/CVE-2024-57891
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-57891.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2024-57891
- Upstream
- Published
- 2025-01-15T13:15:13Z
- Modified
- 2025-09-25T04:24:48.971980Z
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved: schedext: Fix invalid irq restore in scxopsbypass() While adding outer irqsave/restore locking, 0e7ffff1b811 ("scx: Fix raciness in scxopsbypass()") forgot to convert an inner rqunlockirqrestore() to rqunlock() which could re-enable IRQ prematurely leading to the following warning: rawlocalirqrestore() called with IRQs enabled WARNING: CPU: 1 PID: 96 at kernel/locking/irqflag-debug.c:10 warnbogusirqrestore+0x30/0x40 ... Schedext: createdsq (enabling) pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : warnbogusirqrestore+0x30/0x40 lr : warnbogusirqrestore+0x30/0x40 ... Call trace: warnbogusirqrestore+0x30/0x40 (P) warnbogusirqrestore+0x30/0x40 (L) scxopsbypass+0x224/0x3b8 scxopsenable.isra.0+0x2c8/0xaa8 bpfscxreg+0x18/0x30 ... irq event stamp: 33739 hardirqs last enabled at (33739): [<ffff8000800b699c>] scxopsbypass+0x174/0x3b8 hardirqs last disabled at (33738): [<ffff800080d48ad4>] rawspinlockirqsave+0xb4/0xd8 Drop the stray _irqrestore().
- References
Affected packages
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:14 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source