CVE-2021-47578 scsi: scsi_debug: Don't call kcalloc() if size arg is zero

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Don't call kcalloc if size arg is zero If the size arg to kcalloc is zero, it returns ZEROSIZEPTR. Because of that, for a following NULL pointer check to work on the returned pointer, kcalloc must not be called...

CVE-2021-47578 scsi: scsi_debug: Don't call kcalloc() if size arg is zero

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Don't call kcalloc if size arg is zero If the size arg to kcalloc is zero, it returns ZEROSIZEPTR. Because of that, for a following NULL pointer check to work on the returned pointer, kcalloc must not be called...

CVE-2021-47576 scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Sanity check block descriptor length in respmodeselect In respmodeselect sanity check the block descriptor len to avoid UAF. BUG: KASAN: use-after-free in respmodeselect+0xa4c/0xb40 drivers/scsi/scsidebug.c:2509...

CVE-2021-47576

CVE-2021-47576 concerns the Linux kernel SCSI subsystem, specifically the scsi_debug driver. The issue is a use-after-free (UAF) caused by insufficient validation of the block descriptor length in resp_mode_select(), leading to a KASAN crash (Read of size 1) in resp_mode_select() and related SCSI...

CVE-2021-47576 scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Sanity check block descriptor length in respmodeselect In respmodeselect sanity check the block descriptor len to avoid UAF. BUG: KASAN: use-after-free in respmodeselect+0xa4c/0xb40 drivers/scsi/scsidebug.c:2509...

CVE-2021-47576

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Sanity check block descriptor length in respmodeselect In respmodeselect sanity check the block descriptor len to avoid UAF. BUG: KASAN: use-after-free in respmodeselect+0xa4c/0xb40 drivers/scsi/scsidebug.c:2509...

SUSE CVE-2021-47219

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47191

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...

CVE-2021-47219

A vulnerability was found in the Linux kernel, related to the Small Computer System Interface SCSI subsystem. This issue involves an out-of-bounds read in the scsidebug driver, which could allow an attacker to trigger a denial of service DoS. This issue occurs during the handling of certain SCSI...

CVE-2021-47219

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47219

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47191

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...

CVE-2021-47191

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...

CVE-2021-47219

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47191

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...

CVE-2021-47219 scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47219 scsi: scsi_debug: Fix out-of-bound read in resp_report_tgtpgs()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47219

CVE-2021-47219 involves the Linux kernel SCSI subsystem, specifically the scsi_debug path, where an out-of-bounds read occurs in resp_report_tgtpgs() due to an incorrect handling of lengths. The issue can manifest as a negative alen when userspace supplies a large length, enabling a slab/read bou...

CVE-2021-47219

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreporttgtpgs The following issue was observed running syzkaller: BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 inline BUG: KASAN: slab-out-of-bounds in...

CVE-2021-47191 scsi: scsi_debug: Fix out-of-bound read in resp_readcap16()

In the Linux kernel, the following vulnerability has been resolved: scsi: scsidebug: Fix out-of-bound read in respreadcap16 The following warning was observed running syzkaller: 3813.830724 sgwrite: data in/out 65466/242 bytes for SCSI command 0x9e-- guessing data in; 3813.830724 program...