In the Linux kernel, the following vulnerability has been resolved:
ksmbd: fix race condition between session lookup and expire
Thread A + Thread B ksmbd_session_lookup | smb2_sess_setup sess = xa_load | | | xa_erase(&conn->sessions, sess->id); | | ksmbd_session_destroy(sess) --> kfree(sess) | // UAF! | sess->last_active = jiffies | +
This patch add rwsem to fix race condition between ksmbd_session_lookup and ksmbd_expire_session.
CVSS Details
- CVSS 3.1 Base Score: 7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/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 | Jul 30, 2024 | Feb 29, 2024 |
| Ubuntu | — | Upgrade linux-image-5.15.0-102-lowlatency-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-generic-64kUpgrade linux-image-5.15.0-1054-kvmUpgrade linux-image-intel-iotgUpgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-1052-intel-iotgUpgrade linux-image-5.15.0-1055-oracleUpgrade linux-image-gke-5.15Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-102-lowlatencyUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-kvmUpgrade linux-image-oem-20.04dUpgrade linux-image-intelUpgrade linux-image-5.15.0-1055-gcpUpgrade linux-image-5.15.0-102-genericUpgrade linux-image-lowlatencyUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-gkeUpgrade linux-image-5.15.0-1048-nvidia-lowlatencyUpgrade linux-image-gcpUpgrade linux-image-ibmUpgrade linux-image-gkeopUpgrade linux-image-5.15.0-1060-azureUpgrade linux-image-oracleUpgrade linux-image-virtualUpgrade linux-image-5.15.0-1050-ibmUpgrade linux-image-5.15.0-1054-gkeUpgrade linux-image-5.15.0-102-generic-64kUpgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-102-generic-lpaeUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-nvidiaUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.15.0-1060-azure-fdeUpgrade linux-image-5.15.0-1057-awsUpgrade linux-image-genericUpgrade linux-image-5.15.0-1040-gkeopUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-awsUpgrade linux-image-azure-cvmUpgrade linux-image-raspi-nolpaeUpgrade linux-image-azureUpgrade linux-image-oem-20.04bUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.15.0-1050-raspiUpgrade linux-image-gkeop-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-raspiUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1048-nvidiaUpgrade linux-image-azure-fde | Apr 10, 2024 | Feb 29, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 14, 2025 | Feb 29, 2024 |
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