UBUNTU-CVE-2021-47230

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If R...

CVE-2021-47343

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail due to IO read error e.g. read the content of origin block fails during shadowing, and the value of shadowspine::root is uninitialized...

CVE-2021-47343 dm btree remove: assign new_root only when removal succeeds

In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail due to IO read error e.g. read the content of origin block fails during shadowing, and the value of shadowspine::root is uninitialized...

CVE-2021-47230 KVM: x86: Immediately reset the MMU context when the SMM flag is cleared

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If R...

CVE-2021-47230

CVE-2021-47230 affects the Linux kernel KVM on x86. The vulnerability arises from a lack of synchronization between the vCPU SMM flag and the MMU’s SMM flag, so that when RSM is not emulated correctly, KVM can bail out and leave the MMU in an inconsistent state. This misalignment can cause a NULL...

CVE-2021-47228 x86/ioremap: Map EFI-reserved memory as encrypted for SEV

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices, efimemreserve is use...

CVE-2024-36008

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-36008 ipv4: check for NULL idev in ip_route_use_hint()

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-36008 ipv4: check for NULL idev in ip_route_use_hint()

In the Linux kernel, the following vulnerability has been resolved: ipv4: check for NULL idev in iprouteusehint syzbot was able to trigger a NULL deref in fibvalidatesource in an old tree 1. It appears the bug exists in latest trees. All calls to indevgetrcu must be checked for a NULL result. 1...

CVE-2024-35870

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver The UAF bug is due to smb2reconnectserver accessing a session that is already being teared down by another thread that is executing cifsputsmbses. This can happen when a the client has...

CVE-2024-35870 smb: client: fix UAF in smb2_reconnect_server()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in smb2reconnectserver The UAF bug is due to smb2reconnectserver accessing a session that is already being teared down by another thread that is executing cifsputsmbses. This can happen when a the client has...

CVE-2024-35870

CVE-2024-35870: Linux kernel SMB client flaw (UAF in smb2_reconnect_server) traced to smb2_reconnect_server() accessing a session being torn down by __cifs_put_smb_ses(). Root cause is a race with ses_status being changed concurrently. The fix unconditionally sets ses_status to SES_EXITING and pr...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-6767-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6767-1 advisory. Chenyuan Yang discovered that the RDS Protocol implementation in the Linux kernel contained an out-of- bounds read vulnerability. An attacker...

CVE-2024-27062 nouveau: lock the client object tree.

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mappings. 4562.099306 general protection...

CVE-2024-27062

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mappings. 4562.099306 general protection...

kernel: drm/amdgpu: Fix sdma v4 sw fini error

An invalid pointer dereference flaw was found in the Linux kernel AMD GPU SDMA v4 driver's cleanup code. On systems with SDMA 4.2.2 hardware, driver unload or system shutdown triggers the sdmav40swfini cleanup path, which attempts to release firmware using an uninitialized or corrupted pointer,...

SUSE CVE-2022-48662

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Really move i915gemcontext.link under ref protection i915perf assumes that it can use the i915gemcontext reference to protect its i915-gem.contexts.list iteration. However, this requires that we do not remove the...

CVE-2022-48662

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Really move i915gemcontext.link under ref protection i915perf assumes that it can use the i915gemcontext reference to protect its i915-gem.contexts.list iteration. However, this requires that we do not remove the...

UBUNTU-CVE-2022-48662

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gem: Really move i915gemcontext.link under ref protection i915perf assumes that it can use the i915gemcontext reference to protect its i915-gem.contexts.list iteration. However, this requires that we do not remove the...

CVE-2022-48652 ice: Fix crash by keep old cfg when update TCs more than queues

In the Linux kernel, the following vulnerability has been resolved: ice: Fix crash by keep old cfg when update TCs more than queues There are problems if allocated queues less than Traffic Classes. Commit a632b2a4c920 "ice: ethtool: Prohibit improper channel config for DCB" already disallow setti...