In the Linux kernel, the following vulnerability has been resolved:
crypto: ccree - Fix use after free in cc_cipher_exit()
kfree_sensitive(ctx_p->user.key) will free the ctx_p->user.key. But ctx_p->user.key is still used in the next line, which will lead to a use after free.
We can call kfree_sensitive() after dev_dbg() to avoid the uaf.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Ubuntu | — | Upgrade linux-kvmUpgrade linux-gkeUpgrade linux-gcpUpgrade linux-oracleUpgrade linux-intel-iotgUpgrade linux-hwe-5.15Upgrade linux-awsUpgrade linux-azureUpgrade linux-lowlatency-hwe-5.15Upgrade linux-ibmUpgrade linuxUpgrade linux-azure-5.15Upgrade linux-lowlatencyUpgrade linux-intel-iotg-5.15Upgrade linux-raspiUpgrade linux-realtime | Mar 19, 2025 | Feb 26, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Feb 26, 2025 |
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