Public bug reported:

    SRU Justification

    Impact:
       The upstream process for stable tree updates is quite similar
       in scope to the Ubuntu SRU process, e.g., each patch has to
       demonstrably fix a bug, and each patch is vetted by upstream
       by originating either directly from a mainline/stable Linux tree or
       a minimally backported form of that patch. The following upstream
       stable patches should be included in the Ubuntu kernel:

       v5.15.2 upstream stable release
       from git://git.kernel.org/

            
Linux 5.15.2
rsi: fix control-message timeout
media: staging/intel-ipu3: css: Fix wrong size comparison imgu_css_fw_init
staging: r8188eu: fix memleak in rtw_wx_set_enc_ext
staging: rtl8192u: fix control-message timeouts
staging: r8712u: fix control-message timeout
comedi: vmk80xx: fix bulk and interrupt message timeouts
comedi: vmk80xx: fix bulk-buffer overflow
comedi: vmk80xx: fix transfer-buffer overflows
comedi: ni_usb6501: fix NULL-deref in command paths
comedi: dt9812: fix DMA buffers on stack
isofs: Fix out of bound access for corrupted isofs image
staging: rtl8712: fix use-after-free in rtl8712_dl_fw
btrfs: fix lzo_decompress_bio() kmap leakage
kfence: default to dynamic branch instead of static keys mode
kfence: always use static branches to guard kfence_alloc()
binder: don't detect sender/target during buffer cleanup
binder: use cred instead of task for getsecid
binder: use cred instead of task for selinux checks
binder: use euid from cred instead of using task
Revert "proc/wchan: use printk format instead of lookup_symbol_name()"
usb-storage: Add compatibility quirk flags for iODD 2531/2541
usb: musb: Balance list entry in musb_gadget_queue
usb: gadget: Mark USB_FSL_QE broken on 64-bit
usb: ehci: handshake CMD_RUN instead of STS_HALT
Revert "x86/kvm: fix vcpu-id indexed array sizes"
KVM: x86: avoid warning with -Wbitwise-instead-of-logical

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed

** Affects: linux (Ubuntu Jammy)
     Importance: Undecided
         Status: Confirmed


** Tags: kernel-stable-tracking-bug

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

** Tags added: kernel-stable-tracking-bug

** Also affects: linux (Ubuntu Jammy)
   Importance: Undecided
       Status: Confirmed

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https://bugs.launchpad.net/bugs/1950949

Title:
  Jammy update: v5.15.2 upstream stable release

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Jammy:
  Confirmed

Bug description:
  
      SRU Justification

      Impact:
         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from a mainline/stable Linux tree or
         a minimally backported form of that patch. The following upstream
         stable patches should be included in the Ubuntu kernel:

         v5.15.2 upstream stable release
         from git://git.kernel.org/

              
  Linux 5.15.2
  rsi: fix control-message timeout
  media: staging/intel-ipu3: css: Fix wrong size comparison imgu_css_fw_init
  staging: r8188eu: fix memleak in rtw_wx_set_enc_ext
  staging: rtl8192u: fix control-message timeouts
  staging: r8712u: fix control-message timeout
  comedi: vmk80xx: fix bulk and interrupt message timeouts
  comedi: vmk80xx: fix bulk-buffer overflow
  comedi: vmk80xx: fix transfer-buffer overflows
  comedi: ni_usb6501: fix NULL-deref in command paths
  comedi: dt9812: fix DMA buffers on stack
  isofs: Fix out of bound access for corrupted isofs image
  staging: rtl8712: fix use-after-free in rtl8712_dl_fw
  btrfs: fix lzo_decompress_bio() kmap leakage
  kfence: default to dynamic branch instead of static keys mode
  kfence: always use static branches to guard kfence_alloc()
  binder: don't detect sender/target during buffer cleanup
  binder: use cred instead of task for getsecid
  binder: use cred instead of task for selinux checks
  binder: use euid from cred instead of using task
  Revert "proc/wchan: use printk format instead of lookup_symbol_name()"
  usb-storage: Add compatibility quirk flags for iODD 2531/2541
  usb: musb: Balance list entry in musb_gadget_queue
  usb: gadget: Mark USB_FSL_QE broken on 64-bit
  usb: ehci: handshake CMD_RUN instead of STS_HALT
  Revert "x86/kvm: fix vcpu-id indexed array sizes"
  KVM: x86: avoid warning with -Wbitwise-instead-of-logical

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