CVE-2021-47255 kvm: LAPIC: Restore guard to prevent illegal APIC register access

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

CVE-2021-47253

CVE-2021-47253 affects the Linux kernel’s DRM/AMD display path, where DMUB hw_init could leak memory on suspend/resume due to kzalloc allocation without guard. The fix ensures the DC wrapper memory is only allocated if it was not previously allocated, avoiding reallocation on suspend/resume. Docu...

CVE-2021-47251 mac80211: fix skb length check in ieee80211_scan_rx()

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix skb length check in ieee80211scanrx Replace hard-coded compile-time constants for header length check with dynamic determination based on the frame type. Otherwise, we hit a validation WARNON in cfg80211 later. styl...

CVE-2021-47250 net: ipv4: fix memory leak in netlbl_cipsov4_add_std

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in netlblcipsov4addstd Reported by syzkaller: BUG: memory leak unreferenced object 0xffff888105df7000 size 64: comm "syz-executor842", pid 360, jiffies 4294824824 age 22.546s hex dump first 32 bytes: 00...

CVE-2021-47249 net: rds: fix memory leak in rds_recvmsg

In the Linux kernel, the following vulnerability has been resolved: net: rds: fix memory leak in rdsrecvmsg Syzbot reported memory leak in rds. The problem was in unputted refcount in case of error. int rdsrecvmsgstruct socket sock, struct msghdr msg, sizet size, int msgflags ... if...

CVE-2021-47242 mptcp: fix soft lookup in subflow_error_report()

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lookup in subflowerrorreport Maxim reported a soft lookup in subflowerrorreport: watchdog: BUG: soft lockup - CPU0 stuck for 22s! swapper/0:0 RIP: 0010:nativequeuedspinlockslowpath RSP: 0018:ffffa859c0003bc0 EFLAG...

CVE-2021-47226 x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Both Intel and AMD consider it to be architecturally valid for XRSTOR to fail with PF but nonetheless change the register state. The actual conditions under...

CVE-2024-35884

CVE-2024-35884 highlights a flaw in the Linux kernel's handling of UDP packets when Generic Receive Offload GRO forwarding is enabled. The issue occurs because non-tunnel UDP packets are sometimes mistakenly processed as if they belong to a tunnel. This can lead to data corruption or kernel...

CVE-2024-35996

In the Linux kernel, the following vulnerability has been resolved: cpu: Re-enable CPU mitigations by default for !X86 architectures Rename x86's to CPUMITIGATIONS, define it in generic code, and force it on for all architectures exception x86. A recent commit to turn mitigations off by default i...

CVE-2024-36007 mlxsw: spectrum_acl_tcam: Fix warning during rehash

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fix warning during rehash As previously explained, the rehash delayed work migrates filters from one region to another. This is done by iterating over all chunks all the filters with the same priority in t...

CVE-2024-36005 netfilter: nf_tables: honor table dormant flag from netdev release event path

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: honor table dormant flag from netdev release event path Check for table dormant flag otherwise netdev release event path tries to unregister an already unregistered hook. 524854.857999 ------------ cut here...

CVE-2024-35992 phy: marvell: a3700-comphy: Fix out of bounds read

In the Linux kernel, the following vulnerability has been resolved: phy: marvell: a3700-comphy: Fix out of bounds read There is an out of bounds read access of 'gbephyinitfixfixidx.addr' every iteration after 'fixidx' reaches 'ARRAYSIZEgbephyinitfix'. Make sure 'gbephyinitaddr' is used when all...

CVE-2024-35992 phy: marvell: a3700-comphy: Fix out of bounds read

In the Linux kernel, the following vulnerability has been resolved: phy: marvell: a3700-comphy: Fix out of bounds read There is an out of bounds read access of 'gbephyinitfixfixidx.addr' every iteration after 'fixidx' reaches 'ARRAYSIZEgbephyinitfix'. Make sure 'gbephyinitaddr' is used when all...

CVE-2024-35990 dma: xilinx_dpdma: Fix locking

In the Linux kernel, the following vulnerability has been resolved: dma: xilinxdpdma: Fix locking There are several places where either chan-lock or chan-vchan.lock was not held. Add appropriate locking. This fixes lockdep warnings like 31.077578 ------------ cut here ------------ 31.077831...

CVE-2024-35988 riscv: Fix TASK_SIZE on 64-bit NOMMU

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASKSIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASKSIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access...

CVE-2024-35984 i2c: smbus: fix NULL function pointer dereference

In the Linux kernel, the following vulnerability has been resolved: i2c: smbus: fix NULL function pointer dereference Baruch reported an OOPS when using the designware controller as target only. Target-only modes break the assumption of one transfer function always being available. Fix this by...

CVE-2024-35975 octeontx2-pf: Fix transmit scheduler resource leak

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix transmit scheduler resource leak Inorder to support shaping and scheduling, Upon class creation Netdev driver allocates trasmit schedulers. The previous patch which added support for Round robin scheduling has a...

CVE-2024-35972 bnxt_en: Fix possible memory leak in bnxt_rdma_aux_device_init()

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix possible memory leak in bnxtrdmaauxdeviceinit If ulp = kzalloc fails, the allocated edev will leak because it is not properly assigned and the cleanup path will not be able to free it. Fix it by assigning it properly...

CVE-2024-35968 pds_core: Fix pdsc_check_pci_health function to use work thread

In the Linux kernel, the following vulnerability has been resolved: pdscore: Fix pdsccheckpcihealth function to use work thread When the driver notices fwstatus == 0xff it tries to perform a PCI reset on itself via pciresetfunction in the context of the driver's health thread. However,...

CVE-2024-35959 net/mlx5e: Fix mlx5e_priv_init() cleanup flow

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix mlx5eprivinit cleanup flow When mlx5eprivinit fails, the cleanup flow calls mlx5eselqcleanup which calls mlx5eselqapply that assures that the priv-statelock is held using lockdepisheld. Acquire the statelock in...