SUSE CVE-2025-21886

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

UBUNTU-CVE-2023-52981

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix request ref counting during error capture & debugfs dump When GuC support was added to error capture, the reference counting around the request object was broken. Fix it up. The context based search manages the...

UBUNTU-CVE-2023-53023

In the Linux kernel, the following vulnerability has been resolved: net: nfc: Fix use-after-free in localcleanup Fix a use-after-free that occurs in kfreeskb called from localcleanup. This could happen when killing nfc daemon e.g. neard after detaching an nfc device. When detaching an nfc device,...

UBUNTU-CVE-2023-53007

In the Linux kernel, the following vulnerability has been resolved: tracing: Make sure traceprintk can output as soon as it can be used Currently traceprintk can be used as soon as earlytraceinit is called from startkernel. But if a crash happens, and "ftracedumponoops" is set on the kernel comma...

UBUNTU-CVE-2023-53032

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fix overflow before widen in the bitmapipcreate function. When firstip is 0, lastip is 0xFFFFFFFF, and netmask is 31, the value of an arithmetic expression 2 netmask - maskbits - 1 is subject to overflow due to ...

CVE-2023-53033 netfilter: nft_payload: incorrect arithmetics when fetching VLAN header bits

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftpayload: incorrect arithmetics when fetching VLAN header bits If the offset + length goes over the ethernet + vlan header, then the length is adjusted to copy the bytes that are within the boundaries of the vlanethh...

CVE-2023-53017 Bluetooth: hci_sync: fix memory leak in hci_update_adv_data()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix memory leak in hciupdateadvdata When hcicmdsyncqueue failed in hciupdateadvdata, instptr is not freed, which will cause memory leak, convert to use ERRPTR/PTRERR to pass the instance to callback so no memo...

CVE-2023-53002 drm/i915: Fix a memory leak with reused mmap_offset

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix a memory leak with reused mmapoffset drmvmanodeallow and drmvmanoderevoke should be called in balanced pairs. We call drmvmanodeallow once per-file everytime a user calls mmapoffset, but only call drmvmanoderevoke...

CVE-2022-49752 device property: fix of node refcount leak in fwnode_graph_get_next_endpoint()

In the Linux kernel, the following vulnerability has been resolved: device property: fix of node refcount leak in fwnodegraphgetnextendpoint The 'parent' returned by fwnodegraphgetportparent with refcount incremented when 'prev' is not NULL, it needs be put when finish using it. Because the paren...

UBUNTU-CVE-2025-21872

In the Linux kernel, the following vulnerability has been resolved: efi: Don't map the entire mokvar table to determine its size Currently, when validating the mokvar table, we remap the entire table on each iteration of the loop, adding space as we discover new entries. If the table grows over a...

UBUNTU-CVE-2025-21888

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix a WARN during deregmr for DM type Memory regions MR of type DM device memory do not have an associated umem. In the mlx5ibderegmr - mlx5freeprivdescs flow, the code incorrectly takes the wrong branch, attempting to...

UBUNTU-CVE-2025-21887

In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovldentryupdatereval by moving dput in ovllinkup The issue was caused by dputupper being called before ovldentryupdatereval, while upper-dflags was still accessed in ovldentryremote. Move dputupper after its last...

CVE-2025-21879 btrfs: fix use-after-free on inode when scanning root during em shrinking

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...

CVE-2025-21875 mptcp: always handle address removal under msk socket lock

In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in the PM control path: WARNING: CPU: 0 PID: 6693 at ./include/net/sock.h:1711 sockownedbyme include/net/sock.h:1711 inline WARNING: CP...

RHEL 9 : kpatch-patch-5_14_0-427_13_1, kpatch-patch-5_14_0-427_31_1, kpatch-patch-5_14_0-427_44_1, and kpatch-patch-5_14_0-427_55_1 (RHSA-2025:3097)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:3097 advisory. This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module i...

CVE-2025-21866

In the Linux kernel, the following vulnerability has been resolved: powerpc/code-patching: Fix KASAN hit by not flagging text patching area as VMALLOC Erhard reported the following KASAN hit while booting his PowerMac G4 with a KASAN-enabled kernel 6.13-rc6: BUG: KASAN: vmalloc-out-of-bounds in...

UBUNTU-CVE-2025-21845

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

CVE-2025-21866

CVE-2025-21866 : In the Linux kernel, PowerPC text patching infrastructure allocated a virtual area and marked it VM_ALLOC, which is inappropriate since that memory is not vmalloc’d and isn’t initialized until __vmalloc_node_range() is called. This caused KASAN: vmalloc-out-of-bounds when booting...

CVE-2025-21851

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix softlockup in arenamapfree on 64k page kernel On an aarch64 kernel with CONFIGPAGESIZE64KB=y, arenahtab tests cause a segmentation fault and soft lockup. The same failure is not observed with 4k pages on aarch64. It turn...

CVE-2024-58088 bpf: Fix deadlock when freeing cgroup storage

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...