CVE-2023-54276

Summary of CVE-2023-54276 (Linux kernel, nfsd): A regression caused a NULL pointer dereference when userland accessed /proc/fs/nfsd/reply_cache_stats before nfsd started. The bug arose after moving per-net+per-cpu reply-cache counters into nfsd startup, which did not account for the stats counter...

CVE-2023-54276 nfsd: move init of percpu reply_cache_stats counters back to nfsd_init_net

In the Linux kernel, the following vulnerability has been resolved: nfsd: move init of percpu replycachestats counters back to nfsdinitnet Commit f5f9d4a314da "nfsd: move reply cache initialization into nfsd startup" moved the initialization of the reply cache into nfsd startup, but didn't accoun...

CVE-2023-54271 blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2022-50872

CVE-2022-50872 Patched in the Linux kernel for ARM OMAP2+ in realtime_counter_init: the issue was a memory leak where the sys_clk resource allocated by clk_get() was not released on return. The description explicitly states this fix; no vendor/product version details are provided beyond this. The...

CVE-2022-50872 ARM: OMAP2+: Fix memory leak in realtime_counter_init()

In the Linux kernel, the following vulnerability has been resolved: ARM: OMAP2+: Fix memory leak in realtimecounterinit The "sysclk" resource is malloced by clkget, it is not released when the function return...

CVE-2022-50872 ARM: OMAP2+: Fix memory leak in realtime_counter_init()

In the Linux kernel, the following vulnerability has been resolved: ARM: OMAP2+: Fix memory leak in realtimecounterinit The "sysclk" resource is malloced by clkget, it is not released when the function return...

CVE-2022-50872

In the Linux kernel, the following vulnerability has been resolved: ARM: OMAP2+: Fix memory leak in realtimecounterinit The "sysclk" resource is malloced by clkget, it is not released when the function return...

CVE-2022-50871 wifi: ath11k: Fix qmi_msg_handler data structure initialization

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Fix qmimsghandler data structure initialization qmimsghandler is required to be null terminated by QMI module. There might be a case where a handler for a msg id is not present in the handlers array which can lead t...

CVE-2022-50850 scsi: ipr: Fix WARNING in ipr_init()

In the Linux kernel, the following vulnerability has been resolved: scsi: ipr: Fix WARNING in iprinit iprinit will not call unregisterrebootnotifier when pciregisterdriver fails, which causes a WARNING. Call unregisterrebootnotifier when pciregisterdriver fails. notifier callback iprhalt ipr...

CVE-2022-50848 drivers: dio: fix possible memory leak in dio_init()

In the Linux kernel, the following vulnerability has been resolved: drivers: dio: fix possible memory leak in dioinit If deviceregister returns error, the 'dev' and name needs be freed. Add a release function, and then call putdevice in the error path, so the name is freed in kobjectcleanup and t...

CVE-2023-54208 media: ov5675: Fix memleak in ov5675_init_controls()

In the Linux kernel, the following vulnerability has been resolved: media: ov5675: Fix memleak in ov5675initcontrols There is a kmemleak when testing the media/i2c/ov5675.c with bpf mock device: AssertionError: unreferenced object 0xffff888107362160 size 16: comm "python3", pid 277, jiffies...

CVE-2023-54208

CVE-2023-54208 affects the Linux kernel media driver for ov5675, where ov5675_init_controls() leaks memory on failure paths. The full stack trace and memleak scenario involve v4l2_ctrl_handler_init_class and i2c/ov5675 probing, leading to a kmemleak when running tests with a BPF mock device. The ...

CVE-2023-54203

Summary: CVE-2023-54203 affects the Linux kernel ksmbd path in SMB2/SMB1 negotiation handling. When an SMB1 mount negotiation is processed as SMB2, KASAN detects a slab-out-of-bounds in init_smb2_rsp_hdr, leading to a potential crash or memory access issue. The fix adds explicit SMB1 server opera...

CVE-2023-54203 ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

CVE-2023-54203

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

CVE-2022-50825 usb: typec: wusb3801: fix fwnode refcount leak in wusb3801_probe()

In the Linux kernel, the following vulnerability has been resolved: usb: typec: wusb3801: fix fwnode refcount leak in wusb3801probe I got the following report while doing fault injection test: OF: ERROR: memory leak, expected refcount 1 instead of 4, ofnodeget/ofnodeput unbalanced - destroy cset...

CVE-2022-50823

CVE-2022-50823 affects the Linux kernel: a refcount leak in Tegra clock init (tegra114_clock_init) caused by not calling of_node_put() on the node returned by of_find_matching_node(). The published fixes add the missing of_node_put() to release the node when no longer needed. Affected component i...

CVE-2022-50823 clk: tegra: Fix refcount leak in tegra114_clock_init

In the Linux kernel, the following vulnerability has been resolved: clk: tegra: Fix refcount leak in tegra114clockinit offindmatchingnode returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50823 clk: tegra: Fix refcount leak in tegra114_clock_init

In the Linux kernel, the following vulnerability has been resolved: clk: tegra: Fix refcount leak in tegra114clockinit offindmatchingnode returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

CVE-2022-50820 perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()

In the Linux kernel, the following vulnerability has been resolved: perf/armdmc620: Fix hotplug callback leak in dmc620pmuinit dmc620pmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path. Simil...