CVE-2021-47260

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential NULL dereference in nfsgetclient None of the callers are expecting NULL returns from nfsgetclient so this code will lead to an Oops. It's better to return an error pointer. I expect that this is dead code so...

CVE-2021-47257

The CVE-2021-47257 issue affects the Linux kernel net: ieee802154 code, where a logic error could cause a NULL pointer dereference when the user sets the addr-type mode incorrectly. The patch fixes this NULL-dereference path in parse_dev_addr. The vulnerability is described as a local issue with ...

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-2021-47252

CVE-2021-47252 affects the Linux kernel batman-adv subsystem. The soft/batadv interface for a queued OGM could be modified between queuing and transmission, with WARN_ON used for kernel bugs rather than warnings. The vulnerability’s description and fixes are documented in connected advisories; th...

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-2021-47249 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-2021-47250 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-2021-47242 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-2021-47240

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix OOB Read in qrtrendpointpost Syzbot reported slab-out-of-bounds Read in qrtrendpointpost. The problem was in wrong size type: if len != ALIGNsize, 4 + hdrlen goto err; If size from qrtrhdr is 4294967293 0xfffffffd,...

CVE-2021-47238

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in ipmcadd1src BUG: memory leak unreferenced object 0xffff888101bc4c00 size 32: comm "syz-executor527", pid 360, jiffies 4294807421 age 19.329s hex dump first 32 bytes: 00 00 00 00 00 00 00 00 00 00 00 ...

CVE-2021-47235

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: fix potential use-after-free in ecbhfremove static void ecbhfremovestruct pcidev dev ... struct ecbhfpriv priv = netdevprivnetdev; unregisternetdevnetdev; freenetdevnetdev; pciiounmapdev, priv-dmaio; pciiounmapdev,...

CVE-2021-47234

In the Linux kernel, the following vulnerability has been resolved: phy: phy-mtk-tphy: Fix some resource leaks in mtkphyinit Use clkdisableunprepare in the error path of mtkphyinit to fix some resource leaks...

CVE-2021-47233

In the Linux kernel, the following vulnerability has been resolved: regulator: rt4801: Fix NULL pointer dereference if priv-enablegpios is NULL devmgpiodgetarrayoptional may return NULL if no GPIO was assigned...

CVE-2021-47231 can: mcba_usb: fix memory leak in mcba_usb

In the Linux kernel, the following vulnerability has been resolved: can: mcbausb: fix memory leak in mcbausb Syzbot reported memory leak in SocketCAN driver for Microchip CAN BUS Analyzer Tool. The problem was in unfreed usbcoherent. In mcbausbstart 20 coherent buffers are allocated and there is...

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-2024-35995

A vulnerability was found in the ACPI subsystem's CPPC driver in the Linux kernel. This issue occurs due to the mishandling of memory access bit width during performance capability calculations, which can lead to misaligned memory accesses and cause kernel panics on affected platforms...

CVE-2024-36009

A vulnerability was found in the Linux kernel's AX.25 protocol implementation. The issue arises from incorrect handling of the netdev reference count, where the devtracker associated with the AX.25 device is improperly managed. Specifically, the devtracker of the ax25cb should be deallocated duri...

CVE-2024-35998

In the Linux kernel, the following vulnerability has been resolved: smb3: fix lock ordering potential deadlock in cifssyncmidresult Coverity spotted that the cifssyncmidresult function could deadlock "Thread deadlock ORDERREVERSAL lockorder: Calling spinlock acquires lock TCPServerInfo.srvlock...

CVE-2024-35957

CVE-2024-35957 is a vulnerability in the Linux kernel's Intel Virtualization Technology for Directed I/O VT-d subsystem. The issue stems from an incorrect assumption that each device has a unique source ID, leading to potential conflicts and system warnings during the IOMMU probe process. This fl...