CLSA-2026-1792763070 Fix of 9 CVEs

Bump kernel ABI to 31: ship the ELS kernel as 4.19.0-31-, distinct from the prior 4.19.0-30. CVE-2024-53150 - ALSA: usb-audio: Fix out of bounds reads when finding clock sources CVE-2024-53150 CVE-2026-43284 - xfrm: esp: avoid in-place decrypt on shared skb frags CVE-2026-43284 CVE-2026-43503 -...

DEBIAN-CVE-2026-99087

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix NULL pointer dereference when the 'R' flag is used If the dm-integrity device has the SBFLAGDIRTYBITMAP flag set and the user activates the device in the 'R' mode, a crash in dmintegrityresume happens because th...

DEBIAN-CVE-2026-99086

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: validate the superblock on resume dmintegrityresume re-reads the superblock from the device so that it picks up the flags and the recalculate position. It performs no validation on the result, while the constructor...

CVE-2026-99086

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: validate the superblock on resume dmintegrityresume re-reads the superblock from the device so that it picks up the flags and the recalculate position. It performs no validation on the result, while the constructor...

CVE-2026-99087

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix NULL pointer dereference when the 'R' flag is used If the dm-integrity device has the SBFLAGDIRTYBITMAP flag set and the user activates the device in the 'R' mode, a crash in dmintegrityresume happens because th...

DEBIAN-CVE-2026-99084

In the Linux kernel, the following vulnerability has been resolved: readdir: take no inode lock on an immutable directory iteratedir takes the directory's irwsem shared and holds it across -iterateshared. For a directory that never has an entry and is never removed the lock keeps nothing still, i...

DEBIAN-CVE-2026-99080

In the Linux kernel, the following vulnerability has been resolved: fs: Free any excess xarray nodes in clearinode For many years we've had a hard to hit leak of xarray nodes. Hugh documented it well in commit 786b31121a2c. Recently people and syzbot have found ways to force it to happen with...

DEBIAN-CVE-2026-99082

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use active memslots for the per-vCPU MMIO cache KVM tags the per-vCPU MMIO cache with a memslot generation so that a memslot update invalidates cached MMIO information. Both the fill and validation paths use kvmmemslots...

DEBIAN-CVE-2026-99085

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix CPU hotplug hang when a dying CPU's tasks sit in the BPF scheduler A CPU going down has to empty its own rq. Its hotplug thread waits in schedcpuwaitempty until nothing else is left, and the only thing that wakes it...

DEBIAN-CVE-2026-99081

In the Linux kernel, the following vulnerability has been resolved: bnxten: fix DMA mapping length for padded small packets Stefan Fleischmann reported Intel IOMMU DMA Read faults on BCM57412 NetXtreme-E NICs when transmitting packets on VLAN/macvlan interfaces: DMAR: DMA Read NOPASID Request...

DEBIAN-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 ...

DEBIAN-CVE-2026-99079

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on refill retry When an XDP redirect to an AFXDP socket fails because its RX ring is full, the XSK core frees the buffer. During the subsequent batched refill of a legacy cyclic RQ, mlx...

CVE-2026-99079

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on refill retry When an XDP redirect to an AFXDP socket fails because its RX ring is full, the XSK core frees the buffer. During the subsequent batched refill of a legacy cyclic RQ, mlx...

CVE-2026-99080

In the Linux kernel, the following vulnerability has been resolved: fs: Free any excess xarray nodes in clearinode For many years we've had a hard to hit leak of xarray nodes. Hugh documented it well in commit 786b31121a2c. Recently people and syzbot have found ways to force it to happen with...

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 ...

CVE-2026-99084

In the Linux kernel, the following vulnerability has been resolved: readdir: take no inode lock on an immutable directory iteratedir takes the directory's irwsem shared and holds it across -iterateshared. For a directory that never has an entry and is never removed the lock keeps nothing still, i...

CVE-2026-99081

In the Linux kernel, the following vulnerability has been resolved: bnxten: fix DMA mapping length for padded small packets Stefan Fleischmann reported Intel IOMMU DMA Read faults on BCM57412 NetXtreme-E NICs when transmitting packets on VLAN/macvlan interfaces: DMAR: DMA Read NOPASID Request...

CVE-2026-99082

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use active memslots for the per-vCPU MMIO cache KVM tags the per-vCPU MMIO cache with a memslot generation so that a memslot update invalidates cached MMIO information. Both the fill and validation paths use kvmmemslots...

CVE-2026-99085

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix CPU hotplug hang when a dying CPU's tasks sit in the BPF scheduler A CPU going down has to empty its own rq. Its hotplug thread waits in schedcpuwaitempty until nothing else is left, and the only thing that wakes it...

DEBIAN-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...