CVE-2023-3141 — A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592
A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592.c in media access in the Linux Kernel. This flaw allows a local attacker to crash the system at device disconnect, possibly leading to a kernel information leak.
Published
2023-06-09T00:00:00.000Z
Last modified
2025-03-11T14:56:02.248Z
01What is this vulnerability?
A use-after-free flaw was found in r592_remove in drivers/memstick/host/r592.c in media access in the Linux Kernel. This flaw allows a local attacker to crash the system at device disconnect, possibly leading to a kernel information leak.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / Kernel | Kenrel version prior to Kernel 6.4-rc1 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
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07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-06-09T00:00:00.000Z
- Last modified: 2025-03-11T14:56:02.248Z
09References
- lore.kernel.org — https://lore.kernel.org/lkml/CAPDyKFoV9aZObZ5GBm0U_-UVeVkBN_rAG-kH3BKoP4EXdYM4bw…
- cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=63…
- security.netapp.com — https://security.netapp.com/advisory/ntap-20230706-0004/
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
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