CVE-2022-48760

In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usbkillurb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usbkillurb to return. It turns out the issue is not unlinking the URB; that works just fine...

CVE-2021-47598

In the Linux kernel, the following vulnerability has been resolved: schcake: do not call cakedestroy from cakeinit qdiscs are not supposed to call their own destroy method from init, because core stack already does that. syzbot was able to trigger use after free: DEBUGLOCKSWARNONlock-magic != loc...

CVE-2021-47588

In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6devfree from sitinitnet ipip6devfree is sit dev-privdestructor, already called by registernetdevice if something goes wrong. Alternative would be to make ipip6devfree robust against multiple invocations, but...

CVE-2021-47583

In the Linux kernel, the following vulnerability has been resolved: media: mxl111sf: change mutexinit location Syzbot reported, that mxl111sfctrlmsg uses uninitialized mutex. The problem was in wrong mutexinit location. Previous mutexinit&state-msglock call was in -init function, but dvbusbv2init...

CVE-2021-47588

In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6devfree from sitinitnet ipip6devfree is sit dev-privdestructor, already called by registernetdevice if something goes wrong. Alternative would be to make ipip6devfree robust against multiple invocations, but...

CVE-2021-47583

In the Linux kernel, the following vulnerability has been resolved: media: mxl111sf: change mutexinit location Syzbot reported, that mxl111sfctrlmsg uses uninitialized mutex. The problem was in wrong mutexinit location. Previous mutexinit&state-msglock call was in -init function, but dvbusbv2init...

CVE-2021-47598

In the Linux kernel, the following vulnerability has been resolved: schcake: do not call cakedestroy from cakeinit qdiscs are not supposed to call their own destroy method from init, because core stack already does that. syzbot was able to trigger use after free: DEBUGLOCKSWARNONlock-magic != loc...

CVE-2021-47602

In the Linux kernel, the following vulnerability has been resolved: mac80211: track only QoS data frames for admission control For admission control, obviously all of that only works for QoS data frames, otherwise we cannot even access the QoS field in the header. Syzbot reported see below an...

CVE-2021-47598 sch_cake: do not call cake_destroy() from cake_init()

In the Linux kernel, the following vulnerability has been resolved: schcake: do not call cakedestroy from cakeinit qdiscs are not supposed to call their own destroy method from init, because core stack already does that. syzbot was able to trigger use after free: DEBUGLOCKSWARNONlock-magic != loc...

CVE-2021-47588 sit: do not call ipip6_dev_free() from sit_init_net()

In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6devfree from sitinitnet ipip6devfree is sit dev-privdestructor, already called by registernetdevice if something goes wrong. Alternative would be to make ipip6devfree robust against multiple invocations, but...

CVE-2021-47588 sit: do not call ipip6_dev_free() from sit_init_net()

In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6devfree from sitinitnet ipip6devfree is sit dev-privdestructor, already called by registernetdevice if something goes wrong. Alternative would be to make ipip6devfree robust against multiple invocations, but...

CVE-2021-47583 media: mxl111sf: change mutex_init() location

In the Linux kernel, the following vulnerability has been resolved: media: mxl111sf: change mutexinit location Syzbot reported, that mxl111sfctrlmsg uses uninitialized mutex. The problem was in wrong mutexinit location. Previous mutexinit&state-msglock call was in -init function, but dvbusbv2init...

CVE-2021-47583 media: mxl111sf: change mutex_init() location

In the Linux kernel, the following vulnerability has been resolved: media: mxl111sf: change mutexinit location Syzbot reported, that mxl111sfctrlmsg uses uninitialized mutex. The problem was in wrong mutexinit location. Previous mutexinit&state-msglock call was in -init function, but dvbusbv2init...

CVE-2021-47583

CVE-2021-47583 affects the Linux kernel’s media/mxl111sf driver. Syzbot reported an uninitialized mutex in mxl111sf_ctrl_msg() due to the previous mutex_init(&state->msg_lock) being called too late. The order of dvb_usbv2_init() calls meant mxl111sf_ctrl_msg() could run from frontend_attach be...

CVE-2021-47579 ovl: fix warning in ovl_create_real()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-dinode The reason is that the cgroup2 filesystem returns from mkdir without instantiating t...

CVE-2021-47579

Mode C: CVE-2021-47579 affects the Linux kernel overlayfs component (ovl) with a WARN_ON path in ovl_workdir_create() when mkdir returns a dentry without an inode (not instantiated). The fix, described in the connected advisories, calls ovl_mkdir_real() directly from ovl_workdir_create() and reje...

CVE-2021-47579 ovl: fix warning in ovl_create_real()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix warning in ovlcreatereal Syzbot triggered the following warning in ovlworkdircreate - ovlcreatereal: if !err && WARNON!newdentry-dinode The reason is that the cgroup2 filesystem returns from mkdir without instantiating t...

CVE-2024-38582 nilfs2: fix potential hang in nilfs_detach_log_writer()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfsdetachlogwriter Syzbot has reported a potential hang in nilfsdetachlogwriter called during nilfs2 unmount. Analysis revealed that this is because nilfssegctorsync, which synchronizes with the lo...

CVE-2024-38567 wifi: carl9170: add a proper sanity check for endpoints

In the Linux kernel, the following vulnerability has been resolved: wifi: carl9170: add a proper sanity check for endpoints Syzkaller reports 1 hitting a warning which is caused by presence of a wrong endpoint type at the URB sumbitting stage. While there was a check for a specific 4th endpoint,...

CVE-2024-38538 net: bridge: xmit: make sure we have at least eth header len bytes

In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: make sure we have at least eth header len bytes syzbot triggered an uninit value1 error in bridge device's xmit path by sending a short less than ETHHLEN bytes skb. To fix it check if we can actually pull that...