crypto: essiv - Check ssize for decryption and in-place encryption
Priority LOW 23Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 3 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.
Why it matters now
EPSS 0.00287 21st percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.301, 5.10.246, 5.15.195 +5Red Hat: 3 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.301, 5.10.246, 5.15.195, 6.1.157, 6.6.113, 6.12.54, 6.17.4, 6.18
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40019
- 2026-10-03 Alias added: GHSA-jrm5-c55w-xm5w
References
Other 8
- https://git.kernel.org/stable/c/29294dd6f1e7acf527255fb136ffde6602c3a129
- https://git.kernel.org/stable/c/71f03f8f72d9c70ffba76980e78b38c180e61589
- https://git.kernel.org/stable/c/df58651968f82344a0ed2afdafd20ecfc55ff548
- https://git.kernel.org/stable/c/248ff2797ff52a8cbf86507f9583437443bf7685
- https://git.kernel.org/stable/c/f37e7860dc5e94c70b4a3e38a5809181310ea9ac
- https://git.kernel.org/stable/c/dc4c854a5e7453c465fa73b153eba4ef2a240abe
- https://git.kernel.org/stable/c/da7afb01ba05577ba3629f7f4824205550644986
- https://git.kernel.org/stable/c/6bb73db6948c2de23e407fe1b7ef94bf02b7529f
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- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2025-40019 · CVE Program
- CVE-2025-40019 · NVD
- FIRST EPSS
- GHSA-jrm5-c55w-xm5w · GitHub Advisory Database · CC BY 4.0
- CVE-2025-40019 · Red Hat security data · CC BY 4.0
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