CVE-2026-73584 Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temporary file handling
A local attacker can exploit a race condition in sblim-sfcb to corrupt privileged files or cause denial of service via insecure temporary file handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73584?
CVE-2026-73584 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 13 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in sblim-sfcb. A local, low-privileged attacker can exploit a race condition during privileged instance migration by manipulating a temporary file in the `/tmp` directory. By repeatedly recreating a symbolic link, the attacker can redirect privileged output to an arbitrary file. This can lead to privileged file corruption or a denial of service (DoS) on the system.
Weakness: CWE-377
Which versions are affected by CVE-2026-73584?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2026-73584?
No fix has been published for CVE-2026-73584 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-73584 being exploited?
There is no known exploitation of CVE-2026-73584 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux
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- CVE-2021-20325 Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a securit
- CVE-2018-25011 Memory corruption in libwebp
- CVE-2018-25014 Other in libwebp
- CVE-2014-3585 Supply chain in redhat-upgrade-tool
Sources
Also known as AZL-96612, GHSA-58x3-7493-rjr4, UBUNTU-CVE-2026-73584.