UBUNTU-CVE-2026-45988

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix re-decryption of RESPONSE packets If a RESPONSE packet gets a temporary failure during processing, it may end up in a partially decrypted state - and then get requeued for a retry. Fix this by just discarding the packe...

CVE-2026-46089 zram: do not forget to endio for partial discard requests

In the Linux kernel, the following vulnerability has been resolved: zram: do not forget to endio for partial discard requests As reported by Qu Wenruo and Avinesh Kumar, the following getconf PAGESIZE 65536 blkdiscard -p 4k /dev/zram0 takes literally forever to complete. zram doesn't support...

CVE-2026-46083

In the Linux kernel, the following vulnerability has been resolved: spi: fix resource leaks on device setup failure Make sure to call controller cleanup if spisetup fails while registering a device to avoid leaking any resources allocated by setup...

CVE-2026-46076

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Raise UD if unhandled VMMCALL isn't intercepted by L1 Explicitly synthesize a UD for VMMCALL if L2 is active, L1 does NOT want to intercept VMMCALL, nestedsvml2tlbflushenabled is true, and the hypercall is something...

CVE-2026-46046 ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix missing brelse in ext4xattrinodedecrefall The commit c8e008b60492 "ext4: ignore xattrs past end" introduced a refcount leak in when blockcsum is false. ext4xattrinodedecrefall calls ext4getinodeloc to get iloc.bh, but...

EUVD-2026-32406

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: fix damoncall vs kdamondfn exit race Patch series "mm/damon/core: fix damoncall/damoswalk vs kdmond exit race". damoncall and damoswalk can leak memory and/or deadlock when they race with kdamond terminations. Fix...

CVE-2026-46025

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: fix damoncall vs kdamondfn exit race Patch series "mm/damon/core: fix damoncall/damoswalk vs kdmond exit race". damoncall and damoswalk can leak memory and/or deadlock when they race with kdamond terminations. Fix...

CVE-2026-46025 mm/damon/core: fix damon_call() vs kdamond_fn() exit race

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: fix damoncall vs kdamondfn exit race Patch series "mm/damon/core: fix damoncall/damoswalk vs kdmond exit race". damoncall and damoswalk can leak memory and/or deadlock when they race with kdamond terminations. Fix...

CVE-2026-46025 mm/damon/core: fix damon_call() vs kdamond_fn() exit race

In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: fix damoncall vs kdamondfn exit race Patch series "mm/damon/core: fix damoncall/damoswalk vs kdmond exit race". damoncall and damoswalk can leak memory and/or deadlock when they race with kdamond terminations. Fix...

CVE-2026-46000 rxrpc: Fix conn-level packet handling to unshare RESPONSE packets

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the skbuff may be shared with a packet sniffer, which would lead to...

CVE-2026-46000

CVE-2026-46000 in the Linux kernel: rxrpc vulnerability where security checks decrypt bits of a packet in place while the skb may be shared with a packet sniffer, potentially exposing a decrypted (apparently corrupted) packet. The fix: when a packet was cloned, the kernel now hands a copy of the ...

CVE-2026-45998 rxrpc: Fix potential UAF after skb_unshare() failure

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix potential UAF after skbunshare failure If skbunshare fails to unshare a packet due to allocation failure in rxrpcinputpacket, the skb pointer in the parent rxrpciothread will be NULL'd out. This will likely cause the...

CVE-2026-45998 rxrpc: Fix potential UAF after skb_unshare() failure

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix potential UAF after skbunshare failure If skbunshare fails to unshare a packet due to allocation failure in rxrpcinputpacket, the skb pointer in the parent rxrpciothread will be NULL'd out. This will likely cause the...

CVE-2026-45998

CVE-2026-45998 affects the Linux kernel RxRPC stack. The vulnerability arises when skb_unshare() fails to unshare a packet during rxrpc_input_packet(); the parent’s skb pointer can be NULL, risking a kernel oops in trace_rxrpc_rx_done(). The fix moves the unsharing logic down to rxrpc_input_call_...

EUVD-2026-32294

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix potential UAF after skbunshare failure If skbunshare fails to unshare a packet due to allocation failure in rxrpcinputpacket, the skb pointer in the parent rxrpciothread will be NULL'd out. This will likely cause the...

CVE-2026-45988

The CVE-2026-45988 issue affects the Linux kernel rxrpc subsystem: a RESPONSE packet that experiences a temporary failure could end up partially decrypted and be retried, risking communication disruption or resource exhaustion. The published fix discards the problematic packet and triggers a new ...

CVE-2026-45964

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix gssauth kref leak in gssallocmsg error path Commit 5940d1cf9f42 "SUNRPC: Rebalance a kref in authgss.c" added a krefget&gssauth-kref call to balance the gssputauth done in gssreleasemsg, but forgot to add a...

CVE-2026-45887 af_unix: Fix memleak of newsk in unix_stream_connect().

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix memleak of newsk in unixstreamconnect. When preparepeercred fails in unixstreamconnect, unixreleasesock is not called for newsk, and the memory is leaked. Let's move preparepeercred before unixcreate1...

CVE-2026-45870

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: authgss: fix memory leaks in XDR decoding error paths The gssxdecctx, gssxdecstatus, and gssxdecname functions allocate memory via gssxdecbuffer, which calls kmemdup. When a subsequent decode operation fails, these...

CVE-2025-71303 accel/amdxdna: Fix race condition when checking rpm_on

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix race condition when checking rpmon When autosuspend is triggered, driver rpmon flag is set to indicate that a suspend/resume is already in progress. However, when a userspace application submits a command durin...