kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().

A use-after-free flaw was found in the Linux kernel’s TCP protocol in how a local user triggers a complex race condition during connection to the socket. This flaw allows a local user to crash or potentially escalate their privileges on the system...

CLSA-2024-1722533082 kernel: Fix of 47 CVEs

afunix: Fix garbage collector racing against connect CVE-2024-26923 - netfilter: nftlimit: reject configurations that cause integer overflow CVE-2024-26668 - libbpf: Fix use-after-free in btfdumpnamedups CVE-2022-3534 - bpf: Fix partial dynptr stack slot reads/writes CVE-2023-39191 - ima: Fix...

kernel: ipv6: fix potential "struct net" leak in inet6_rtm_getaddr()

A flaw was discovered in the Linux kernel's IPv6 implementation, specifically within the inet6rtmgetaddr function. The issue arises when user space provides a valid IFATARGETNETNSID value but omits the IFAADDRESS and IFALOCAL attributes. In such cases, the function returns an -EINVAL error while...

kernel: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fix UAF for rxkref of j1939priv It will trigger UAF for rxkref of j1939priv as following. cpu0 cpu1 j1939skbindsocket0, ndev0, ... j1939netdevstart j1939skbindsocket1, ndev0, ... j1939netdevstart...

SUSE CVE-2024-41008

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm-taskinfo handling This patch changes the handling and lifecycle of vm-taskinfo object. The major changes are: - vm-taskinfo is a dynamically allocated ptr now, and its uasge is reference counted. - introduci...

UBUNTU-CVE-2022-48859

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: Add missing ofnodeput in presteraswitchsetbasemacaddr This node pointer is returned by offindcompatiblenode with refcount incremented. Calling ofnodeput to aovid the refcount leak...

LSN-0105-1: Kernel Live Patch Security Notice

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.CVE-2023-6270 It was discovered that the netfilter connecti...

DEBIAN-CVE-2022-48809

In the Linux kernel, the following vulnerability has been resolved: net: fix a memleak when uncloning an skb dst and its metadata When uncloning an skb dst and its associated metadata, a new dst+metadata is allocated and later replaces the old one in the skb. This is helpful to have a non-shared...

LSN-0105-1 Kernel Live Patch Security Notice

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code.CVE-2023-6270 It was discovered that the netfilter connecti...

AZL-62848 CVE-2024-41008 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm-taskinfo handling This patch changes the handling and lifecycle of vm-taskinfo object. The major changes are: - vm-taskinfo is a dynamically allocated ptr now, and its uasge is reference counted. - introduci...

AZL-68255 CVE-2024-41008 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm-taskinfo handling This patch changes the handling and lifecycle of vm-taskinfo object. The major changes are: - vm-taskinfo is a dynamically allocated ptr now, and its uasge is reference counted. - introduci...

DEBIAN-CVE-2024-41008

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm-taskinfo handling This patch changes the handling and lifecycle of vm-taskinfo object. The major changes are: - vm-taskinfo is a dynamically allocated ptr now, and its uasge is reference counted. - introduci...

UBUNTU-CVE-2024-41008

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm-taskinfo handling This patch changes the handling and lifecycle of vm-taskinfo object. The major changes are: - vm-taskinfo is a dynamically allocated ptr now, and its uasge is reference counted. - introduci...

CVE-2024-41008

The CVE-2024-41008 entry describes a Linux kernel patch in drm/amdgpu that changes how vm->task_info is handled. The task_info object becomes a dynamically allocated pointer with reference counting; new helpers amdgpu_vm_get_task_info and amdgpu_vm_put_task_info manage its lifecycle, and the l...

DEBIAN-CVE-2024-40991

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-glue: Fix ofk3udmaglueparsechnbyid The ofk3udmaglueparsechnbyid helper function erroneously invokes "ofnodeput" on the "udmaxnp" device-node passed to it, without having incremented its reference count at a...

DEBIAN-CVE-2024-40935

In the Linux kernel, the following vulnerability has been resolved: cachefiles: flush all requests after setting CACHEFILESDEAD In ondemand mode, when the daemon is processing an open request, if the kernel flags the cache as CACHEFILESDEAD, the cachefilesdaemonwrite will always return -EIO, so t...

UBUNTU-CVE-2024-40991

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-glue: Fix ofk3udmaglueparsechnbyid The ofk3udmaglueparsechnbyid helper function erroneously invokes "ofnodeput" on the "udmaxnp" device-node passed to it, without having incremented its reference count at a...

UBUNTU-CVE-2024-40935

In the Linux kernel, the following vulnerability has been resolved: cachefiles: flush all requests after setting CACHEFILESDEAD In ondemand mode, when the daemon is processing an open request, if the kernel flags the cache as CACHEFILESDEAD, the cachefilesdaemonwrite will always return -EIO, so t...

CVE-2024-40935

CVE-2024-40935 affects the Linux kernel cachefiles subsystem. In ondemand mode, when the cache is marked as CACHEFILES_DEAD, cachefiles_daemon_write() returns -EIO, preventing the daemon from passing the copen to the kernel and causing a hung_task for the waiting process. The fix requires flushin...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a failure of the tipc component to properly use reference counting before decryption, which could lead to a...