DEBIAN-CVE-2021-47124
- Source
- https://security-tracker.debian.org/tracker/CVE-2021-47124
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-47124.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-47124
- Upstream
- Published
- 2024-03-15T21:15:07.260Z
- Modified
- 2025-11-19T02:02:45.720583Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarn_saturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: __refcountsuband_test include/linux/refcount.h:283 [inline] __refcountdecandtest include/linux/refcount.h:315 [inline] refcountdecandtest include/linux/refcount.h:333 [inline] ioputreq fs/iouring.c:2140 [inline] ioqueuelinkedtimeout fs/io_uring.c:6300 [inline] __ioqueuesqe+0xbef/0xec0 fs/iouring.c:6354 iosubmitsqe fs/iouring.c:6534 [inline] iosubmitsqes+0x2bbd/0x7c50 fs/io_uring.c:6660 __dosysiouringenter fs/io_uring.c:9240 [inline] _sesysiouringenter+0x256/0x1d60 fs/iouring.c:9182 iolinktimeoutfn() should put only one reference of the linked timeout request, however in case of racing with the master request's completion first ioreqcomplete() puts one and then ioputreqdeferred() is called.
- References
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
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