CVE-2022-48855 sctp: fix kernel-infoleak for SCTP sockets

In the Linux kernel, the following vulnerability has been resolved: sctp: fix kernel-infoleak for SCTP sockets syzbot reported a kernel infoleak 1 of 4 bytes. After analysis, it turned out r-idiagexpires is not initialized if inetsctpdiagfill calls inetdiagmsgcommonfill Make sure to clear...

CVE-2022-48851 staging: gdm724x: fix use after free in gdm_lte_rx()

In the Linux kernel, the following vulnerability has been resolved: staging: gdm724x: fix use after free in gdmlterx The netifrxni function frees the skb so we can't dereference it to save the skb-len...

CVE-2022-48848 tracing/osnoise: Do not unregister events twice

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Do not unregister events twice Nicolas reported that using: trace-cmd record -e all -M 10 -p osnoise --poll Resulted in the following kernel warning: ------------ cut here ------------ WARNING: CPU: 0 PID: 1217 a...

CVE-2022-48841 ice: fix NULL pointer dereference in ice_update_vsi_tx_ring_stats()

In the Linux kernel, the following vulnerability has been resolved: ice: fix NULL pointer dereference in iceupdatevsitxringstats It is possible to do NULL pointer dereference in routine that updates Tx ring stats. Currently only stats and bytes are updated when ring pointer is valid, but later on...

CVE-2022-48834 usb: usbtmc: Fix bug in pipe direction for control transfers

In the Linux kernel, the following vulnerability has been resolved: usb: usbtmc: Fix bug in pipe direction for control transfers The syzbot fuzzer reported a minor bug in the usbtmc driver: usb 5-1: BOGUS control dir, pipe 80001e80 doesn't match bRequestType 0 WARNING: CPU: 0 PID: 3813 at...

CVE-2022-48815 net: dsa: bcm_sf2: don't use devres for mdiobus

In the Linux kernel, the following vulnerability has been resolved: net: dsa: bcmsf2: don't use devres for mdiobus As explained in commits: 74b6d7d13307 "net: dsa: realtek: register the MDIO bus under devres" 5135e96a3dd2 "net: dsa: don't allocate the slavemiibus using devres" mdiobusfree will...

CVE-2022-48812

CVE-2022-48812 concerns the Linux kernel: the net: dsa: lantiq_gswip code should not use devres for mdiobus allocation/registration. The root cause is that mdiobus_free() can panic when invoked via devm_mdiobus_free() because devres_release_all() may free a bus that is still registered, especiall...

CVE-2022-48810 ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path

In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquire RTNL before calling ip6mrfreetable on failure path ip6mrfreetable can only be called under RTNL lock. RTNL: assertion failed at net/core/dev.c 10367 WARNING: CPU: 1 PID: 5890 at net/core/dev.c:10367...

CVE-2022-48806 eeprom: ee1004: limit i2c reads to I2C_SMBUS_BLOCK_MAX

In the Linux kernel, the following vulnerability has been resolved: eeprom: ee1004: limit i2c reads to I2CSMBUSBLOCKMAX Commit effa453168a7 "i2c: i801: Don't silently correct invalid transfer size" revealed that ee1004eepromread did not properly limit how many bytes to read at once. In particular...

CVE-2022-48799 perf: Fix list corruption in perf_cgroup_switch()

In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perfcgroupswitch There's list corruption on cgrpcpuctxlist. This happens on the following path: perfcgroupswitch: listforeachentrycgrpcpuctxlist cpuctxschedin ctxschedin ctxpinnedschedin mergeschedin...

CVE-2021-47624 net/sunrpc: fix reference count leaks in rpc_sysfs_xprt_state_change

In the Linux kernel, the following vulnerability has been resolved: net/sunrpc: fix reference count leaks in rpcsysfsxprtstatechange The refcount leak issues take place in an error handling path. When the 3rd argument buf doesn't match with "offline", "online" or "remove", the function simply...

CVE-2022-48785 ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use rcu-safe version of ipv6getlladdr Some time ago 8965779d2c0e "ipv6,mcast: always hold idev-lock before mcalock" switched ipv6getlladdr to ipv6getlladdr, which is rcu-unsafe version. That was OK, because idev-lock...

CVE-2022-48783 net: dsa: lantiq_gswip: fix use after free in gswip_remove()

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiqgswip: fix use after free in gswipremove ofnodeputpriv-ds-slavemiibus-dev.ofnode should be done before mdiobusfreepriv-ds-slavemiibus...

CVE-2022-48780 net/smc: Avoid overwriting the copies of clcsock callback functions

In the Linux kernel, the following vulnerability has been resolved: net/smc: Avoid overwriting the copies of clcsock callback functions The callback functions of clcsock will be saved and replaced during the fallback. But if the fallback happens more than once, then the copies of these callback...

CVE-2022-48775 Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbusaddchannelkobj kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd： If this function returns an error, kobjectput must be called to properly...

CVE-2024-39498

In the Linux kernel, the following vulnerability has been resolved: drm/mst: Fix NULL pointer dereference at drmdpaddpayloadpart2 Why Commit: - commit 5aa1dfcdf0a4 "drm/mst: Refactor the flow for payload allocation/removement" accidently overwrite the commit - commit 54d217406afe "drm: use...

CVE-2024-40989

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu...

CVE-2024-40922

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: don't lock while !TASKRUNNING There is a report of iorsrcrefquiesce locking a mutex while not TASKRUNNING, which is due to forgetting restoring the state back after ioruntaskworksig and attempts to break out of the...

CVE-2024-40917

In the Linux kernel, the following vulnerability has been resolved: memblock: make memblocksetnode also warn about use of MAXNUMNODES On an old x86 system with SRAT just covering space above 4Gb: ACPI: SRAT: Node 0 PXM 0 mem 0x100000000-0xfffffffff hotplug the commit referenced below leads to thi...

UBUNTU-CVE-2024-40967

In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2TXDC to be set, we avoid a potential deadlock. In case of the timeout, there is not much we can do, so we simply ignore the...