CVE-2022-49413

CVE-2022-49413 affects the Linux kernel bfq driver (bfq_merge_bio). The vulnerability arises when a process migrates to a different cgroup or writeback starts bios for another cgroup, leaving stale cgroup data in bfq’s bic and potentially merging requests across distinct or dead bfq queues, riski...

CVE-2022-49412

In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes between the moment we decide two queues are worth to merge and set bic-stablemergebfqq and the moment bfqsetupmerge is called. This...

CVE-2022-49413

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...

CVE-2022-49410

CVE-2022-49410: Linux kernel tracing double free in create_var_ref fixed by making init_var_ref() store NULL when freeing fields; affected components include the variable ref_field initialization path (create_hist_field -> init_var_ref -> destroy_hist_field). Remediation is to apply the ker...

CVE-2022-49410

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix potential double free in createvarref In createvarref, initvarref is called to initialize the fields of variable reffield, which is allocated in the previous function call to createhistfield. Function initvarref...

CVE-2022-49410 tracing: Fix potential double free in create_var_ref()

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix potential double free in createvarref In createvarref, initvarref is called to initialize the fields of variable reffield, which is allocated in the previous function call to createhistfield. Function initvarref...

CVE-2022-49407

In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plockop" and a followed sendop will append it to a global sendlist data structure. In some cases a followed devread...

CVE-2022-49405 staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan()

In the Linux kernel, the following vulnerability has been resolved: staging: r8188eu: prevent -Ssid overflow in rtwwxsetscan This code has a check to prevent read overflow but it needs another check to prevent writing beyond the end of the -Ssid array...

CVE-2022-49402

CVE-2022-49402 concerns the Linux kernel ftrace hashing of direct_functions. The issue triggers a general protection fault when register_ftrace_direct fails, due to the entry not being removed from direct_functions. The available connected docs confirm the root cause and the fix: remove the entry...

CVE-2022-49403

In the Linux kernel, the following vulnerability has been resolved: lib/stringhelpers: fix not adding strarray to device's resource list Add allocated strarray to device's resource list. This is a must to automatically release strarray when the device disappears. Without this fix we have a memory...

CVE-2022-49402 ftrace: Clean up hash direct_functions on register failures

In the Linux kernel, the following vulnerability has been resolved: ftrace: Clean up hash directfunctions on register failures We see the following GPF when registerftracedirect fails: general protection fault, probably for non-canonical address \ 0x200000000000010: 0000 1 PREEMPT SMP...

CVE-2022-49401 mm/page_owner: use strscpy() instead of strlcpy()

In the Linux kernel, the following vulnerability has been resolved: mm/pageowner: use strscpy instead of strlcpy current-comm is not a string no guarantee for a zero byte in it. strlcpys1, s2, l is calling strlens2, potentially causing out-of-bound access, as reported by syzbot: detected buffer...

CVE-2022-49400

In the Linux kernel, the following vulnerability has been resolved: md: Don't set mddev private to NULL in raid0 pers-free In normal stop process, it does like this: domdstop | mdstop pers-free; mddev-private=NULL | mdfree free mddev mdstop sets mddev-private to NULL after pers-free. The raid...

CVE-2022-49399 tty: goldfish: Use tty_port_destroy() to destroy port

In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Use ttyportdestroy to destroy port In goldfishttyprobe, the port initialized through ttyportinit should be destroyed in error paths.In goldfishttyremove, qtty-port also should be destroyed or else might leak...

CVE-2022-49399

In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Use ttyportdestroy to destroy port In goldfishttyprobe, the port initialized through ttyportinit should be destroyed in error paths.In goldfishttyremove, qtty-port also should be destroyed or else might leak...

CVE-2022-49398

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Replace listforeachentrysafe if using giveback The listforeachentrysafe macro saves the current item n and the item after n+1, so that n can be safely removed without corrupting the list. However, when traversi...

CVE-2022-49397

In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qmp: fix struct clk leak on probe errors Make sure to release the pipe clock reference in case of a late probe error e.g. probe deferral...

CVE-2022-49397 phy: qcom-qmp: fix struct clk leak on probe errors

In the Linux kernel, the following vulnerability has been resolved: phy: qcom-qmp: fix struct clk leak on probe errors Make sure to release the pipe clock reference in case of a late probe error e.g. probe deferral...

CVE-2022-49395 um: Fix out-of-bounds read in LDT setup

In the Linux kernel, the following vulnerability has been resolved: um: Fix out-of-bounds read in LDT setup syscallstubdata expects the datacount parameter to be the number of longs, not bytes. ================================================================== BUG: KASAN: stack-out-of-bounds in...

CVE-2022-49394

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: Fix inflight count imbalances and IO hangs on offline iolatency needs to track the number of inflight IOs per cgroup. As this tracking can be expensive, it is disabled when no cgroup has iolatency configured for th...