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Vendor Workaround
To mitigate this issue, if instance migration is not required, run the `sfcbrepos` command with the `-i` option to disable the vulnerable migration path. For example: `sudo sfcbrepos -f -i`. Alternatively, avoid running `sfcbrepos` with elevated privileges on systems where untrusted local users can concurrently write to the `/tmp` directory. A service restart or reload may be required for changes to take effect if `sfcbrepos` is managed by a service.
Tracking
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Thu, 13 Aug 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Sblim-sfcb: sblim-sfcb: privileged file corruption and denial of service via insecure temporary file handling | |
| First Time appeared |
Redhat
Redhat enterprise Linux |
|
| Weaknesses | CWE-377 | |
| CPEs | cpe:/o:redhat:enterprise_linux:10 cpe:/o:redhat:enterprise_linux:6 cpe:/o:redhat:enterprise_linux:7 cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:9 |
|
| Vendors & Products |
Redhat
Redhat enterprise Linux |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-08-13T14:34:33.655Z
Reserved: 2026-08-13T11:01:55.535Z
Link: CVE-2026-73584
No data.
Status : Received
Published: 2026-08-13T13:19:18.673
Modified: 2026-08-13T15:20:18.373
Link: CVE-2026-73584
No data.
OpenCVE Enrichment
Updated: 2026-08-13T13:30:17Z
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CWE-377
Insecure Temporary File