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CVE-2026-93160— crypto: atmel-ecc - reject hardware ECDH without a public key

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

以下是该 Linux 内核漏洞描述信息的中文翻译： 在 Linux 内核中，以下漏洞已得到修复： crypto: atmel-ecc - 拒绝在无公钥时进行硬件 ECDH 运算 中的硬件 ECDH 路径使用设备中存储的私钥。然而，公钥仅在 成功为当前 TF（Trust Framework）生成对应的私钥之后才会被缓存。 在没有任何公钥被缓存时已经会拒绝请求。现需在 中添加相同的检查，以防止设备使用未针对当前 TF 生成的私钥。

AI Predicted 4.0 Difficulty: Theoretical EPSS 0.18% · P7

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 11105693fa05f499532b330da65c78ff93ed4440< 5e33791dfcc6459e402a524669093cd953d5b2df affected
11105693fa05f499532b330da65c78ff93ed4440< 33241f198287960bba5fc2251400896762650bfa affected
11105693fa05f499532b330da65c78ff93ed4440< 3ea8b780d68f02fe235c5051ce8ac4b4940b9259 affected
11105693fa05f499532b330da65c78ff93ed4440< 6457162f74f45284ade2da644a4f0c54758ac0a6 affected
11105693fa05f499532b330da65c78ff93ed4440< 2b40bab362d2b598f34e5ccd4694cedc3c2553d4 affected
11105693fa05f499532b330da65c78ff93ed4440< e64d6f1aae8c837cb3f0446bf44108226d7370f4 affected
11105693fa05f499532b330da65c78ff93ed4440< add28e9988902d29ea93f4869280b4a16a049ea5 affected
11105693fa05f499532b330da65c78ff93ed4440< f240f9b588f4e2de89822adebf560a96b5d263ed affected
… +10 more rows
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I. Basic Information for CVE-2026-93160

Vulnerability Information
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Vulnerability Title
crypto: atmel-ecc - reject hardware ECDH without a public key
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-ecc - reject hardware ECDH without a public key The hardware ECDH path in atmel_ecdh_compute_shared_secret() uses the private key stored in the device. However, the public key is cached only after atmel_ecdh_set_secret() successfully generated that private key for the current tfm. atmel_ecdh_generate_public_key() already rejects requests when no public key is cached. Add the same check to atmel_ecdh_compute_shared_secret() to prevent the device from using a private key that was not generated for the current tfm.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 11105693fa05f499532b330da65c78ff93ed4440 ~ 5e33791dfcc6459e402a524669093cd953d5b2df -
Linux Linux 4.14 -

II. Public POCs for CVE-2026-93160

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III. Intelligence Information for CVE-2026-93160

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Patches & Fixes for CVE-2026-93160 (8)

Same Patch Batch · Linux · 2026-09-17 · 600 CVEs total

CVE-2026-92489 9.8 CRITICAL xfrm: Fix skb double-free in xfrm_dev_direct_output()
CVE-2026-90151 9.8 CRITICAL NFSv4: remove callback IDR entry on client allocation failure
CVE-2026-90235 9.8 CRITICAL sunrpc: xprtsock: annotate shared socket callbacks with READ_ONCE/WRITE_ONCE
CVE-2026-90104 9.8 CRITICAL NFSv4.1: zero referring call lists before decoding
CVE-2026-90173 9.8 CRITICAL smb: smbdirect: free completion queues with ib_free_cq()
CVE-2026-90110 9.4 CRITICAL inetpeer: randomize RB-tree node comparison using SipHash
CVE-2026-90230 9.1 CRITICAL nvmet: fix heap out-of-bounds read in nvmet_auth_negotiate()
CVE-2026-90413 9.1 CRITICAL IB/isert: reject login PDUs declaring more data than was received
CVE-2026-90414 9.1 CRITICAL IB/isert: reject PDUs declaring more data than was received
CVE-2026-90425 8.8 HIGH iommu/tegra241-cmdqv: Require exactly one Stream ID for a vSID
CVE-2026-93042 8.8 HIGH dmaengine: dw-edma: Terminate all descriptors without callbacks
CVE-2026-93189 8.8 HIGH HID: core: quiesce input in hid_hw_stop() to prevent use-after-free
CVE-2026-90329 8.8 HIGH HID: synchronize input before cleaning up a failed probe
CVE-2026-90357 8.8 HIGH wifi: mt76: mt7915: unlink TWT flow if the MCU rejects the agreement
CVE-2026-90256 8.8 HIGH Bluetooth: L2CAP: use proto_lock for l2cap_data to fix l2cap_disconn_ind
CVE-2026-90367 8.8 HIGH wifi: mt76: mt7996: hold dev->mt76.mutex while disabling tx worker in SER
CVE-2026-90381 8.8 HIGH wifi: mt76: fix handling channel context with different bands in mt76_switch_vif_chanctx()
CVE-2026-90379 8.8 HIGH wifi: mt76: mt7921: Add PCIe AER handler support to prevent system crash
CVE-2026-90380 8.8 HIGH wifi: mt76: mt792x: fix use-after-free in mt76_rx_poll_complete
CVE-2026-90371 8.8 HIGH wifi: mt76: fix RXDMAD_C buffer recycling race

Showing top 20 of 600 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-93160

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