CVE-2026-98961

In the Linux kernel, the following vulnerability has been resolved: btrfs: unlock inode and extent in caller when iouring read extent fails btrfsuringreadextent runs only after btrfsencodedread has taken the inode shared lock and the extent lock. On failure it used to unlock in outfail, and a...

CVE-2026-98954

In the Linux kernel, the following vulnerability has been resolved: net: always dissect GSO packets in virtionethdrtoskb Commit 9e8db5913264 "net: avoid false positives in untrusted gso validation" added a '&& skb-networkheader' check before flow-dissecting GSO packets without...

CVE-2026-99030

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: don't leave stale bytes in skbcopyandcsumbits When skbcopyandcsumbits reaches unreadable frags it returns 0 after copying only the linear part, and the rest of the caller's buffer is left as it was. The callers copy...

UBUNTU-CVE-2026-99076

In the Linux kernel, the following vulnerability has been resolved: ipv6: udp: Create exceptions before socket matching Currently, when ICMPv6 Packet Too Big and Redirect Message packets are locally delivered and quote a UDP packet, an exception is only created in the IPv6 exception cache if the...

UBUNTU-CVE-2026-99039

In the Linux kernel, the following vulnerability has been resolved: memstick: core: wait for request completion before freeing card In memstickalloccard and memsticksetrwaddr, waitforcompletiontimeout is used to wait for device identification and address configuration requests to complete. The...

UBUNTU-CVE-2026-99077

In the Linux kernel, the following vulnerability has been resolved: ipv4: udp: Create exceptions before socket matching Currently, when ICMP Fragmentation Needed and Redirect Message packets are locally delivered and quote a UDP packet, a FIB nexthop exception FNHE is only created if the kernel c...

UBUNTU-CVE-2026-98971

In the Linux kernel, the following vulnerability has been resolved: gpio: exar: initialize the ID before registering its cleanup devmaddactionorreset invokes the cleanup action immediately when registering the action fails. gpioexarprobe currently stores the allocated ID in exargpio only after...

UBUNTU-CVE-2026-99074

In the Linux kernel, the following vulnerability has been resolved: ipv4: stop PMTU walk when nexthop group shrinks Commit 7d3f3b4367f3 "net: ipv4: Cache pmtu for all packet paths if multipath enabled" made iprtupdatepmtu update every path. For nexthop objects, fibinfonumpath and fibinfonhc...

UBUNTU-CVE-2026-99036

In the Linux kernel, the following vulnerability has been resolved: dm: fix reading free memory in doresume When doresume calls dmtablegetmodenewmap, the call is done without holding any locks it only holds a reference to the md. It may be possible that another concurrent ioctl on the same device...

UBUNTU-CVE-2026-98996

In the Linux kernel, the following vulnerability has been resolved: fs: don't silently unmount busy mounts The propagatemountbusy helper exists to decide whether a synchronous can suceed. It does that by looking at the copies of the victims in the mounts its parent propagates to. One of those...

UBUNTU-CVE-2026-98948

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumflower: Fix port range register leak in tmpltcreate mlxswspflowertmpltcreate parses a flowclsoffload template into a stack-local struct mlxswspaclruleinfo purely to compute rulei.values.elusage. Parsing can acquire...

UBUNTU-CVE-2026-98974

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchange-range-to-eof file size exchange Norbert Szetei posted a patch containing an incomplete description of a bug in XFSIOCEXCHANGERANGE's TOEOF flag. The bug tricks exchange-range into modifying a file so that it has...

UBUNTU-CVE-2026-98955

In the Linux kernel, the following vulnerability has been resolved: flowdissector: avoid u16 truncation of skb-len when computing thoff skbflowdissect computes keycontrol-thoff using: keycontrol-thoff = mintu16, nhoff, skb ? skb-len : hlen; mintu16, ... casts both arguments to u16 before comparin...

UBUNTU-CVE-2026-98939

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Drop unnecessary PMD page copy when freeing On a box with a discrete GPU, lockdep reports a possible deadlock as soon as kswapd shrinks the TTM page pool. The immediate cause is an x86 commit that added an mmapreadlock to...

UBUNTU-CVE-2026-99083

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix heap out-of-bounds write in krb5authenticate In krb5authenticate, outlen is calculated to determine available headroom in responsebuf for the incoming Kerberos AP-REP token. However, when SMB2SESSIONSETUP is processed ...

UBUNTU-CVE-2026-98931

In the Linux kernel, the following vulnerability has been resolved: mtd: spinand: fix NULL pointer dereference with no ECC engine When "nand-no-ecc-engine" is set in DT, nanddevgeteccengine takes the NANDECCENGINETYPENONE path and returns success while leaving nand-ecc.engine NULL. The SPI-NAND...

UBUNTU-CVE-2026-99064

In the Linux kernel, the following vulnerability has been resolved: cipso: adjust cached option offsets when removing CIPSO cipsov4skbuffdelattr removes the CIPSO bytes but does not adjust cached offsets for options that follow them. For example, with a valid 10-byte CIPSO option followed by a...

UBUNTU-CVE-2026-98978

In the Linux kernel, the following vulnerability has been resolved: namespace: never expire a locked mount Locked mounts are special. They protect the underlying files and directories from being revealed. doumount refuses to unmount locked mounts but shrinksubmounts doesn't. A shrinkable mount ca...

CVE-2026-98951

In the Linux kernel, the following vulnerability has been resolved: riscv: ptrace: Zero-initialize regset buffers before copyin userregsetcopyin only copies count bytes, so a PTRACESETREGSET request with a short iovlen leaves the rest of the stack buffer uninitialized. In riscvvrset that garbage ...

CVE-2026-98958

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: account non-AQL frames per peer rather than per link The driver increments wcid-nonaqlpackets when a frame goes to the hardware queue. The completion path decrements the counter again. For an MLO peer, the hardware...