CVE-2021-47578
published 2024-06-19CVE-2021-47578: In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Don't call kcalloc() if size arg is zero If the size arg to kcalloc() is…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.24%
14.9th percentile
In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_debug: Don't call kcalloc() if size arg is zero
If the size arg to kcalloc() is zero, it returns ZERO_SIZE_PTR. Because of
that, for a following NULL pointer check to work on the returned pointer,
kcalloc() must not be called with the size arg equal to zero. Return early
without error before the kcalloc() call if size arg is zero.
BUG: KASAN: null-ptr-deref in memcpy include/linux/fortify-string.h:191 [inline]
BUG: KASAN: null-ptr-deref in sg_copy_buffer+0x138/0x240 lib/scatterlist.c:974
Write of size 4 at addr 0000000000000010 by task syz-executor.1/22789
CPU: 1 PID: 22789 Comm: syz-executor.1 Not tainted 5.15.0-syzk #1
Hardware name: Red Hat KVM, BIOS 1.13.0-2
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:106
__kasan_report mm/kasan/report.c:446 [inline]
kasan_report.cold.14+0x112/0x117 mm/kasan/report.c:459
check_region_inline mm/kasan/generic.c:183 [inline]
kasan_check_range+0x1a3/0x210 mm/kasan/generic.c:189
memcpy+0x3b/0x60 mm/kasan/shadow.c:66
memcpy include/linux/fortify-string.h:191 [inline]
sg_copy_buffer+0x138/0x240 lib/scatterlist.c:974
do_dout_fetch drivers/scsi/scsi_debug.c:2954 [inline]
do_dout_fetch drivers/scsi/scsi_debug.c:2946 [inline]
resp_verify+0x49e/0x930 drivers/scsi/scsi_debug.c:4276
schedule_resp+0x4d8/0x1a70 drivers/scsi/scsi_debug.c:5478
scsi_debug_queuecommand+0x8c9/0x1ec0 drivers/scsi/scsi_debug.c:7533
scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1520 [inline]
scsi_queue_rq+0x16b0/0x2d40 drivers/scsi/scsi_lib.c:1699
blk_mq_dispatch_rq_list+0xb9b/0x2700 block/blk-mq.c:1639
__blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325
blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358
__blk_mq_run_hw_queue+0xe5/0x150 block/blk-mq.c:1761
__blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1838
blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891
blk_mq_sched_insert_request+0x3db/0x4e0
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.15.15-1 (bookworm) | linux 5.15.15-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= c3e2fe9222d428f115baeba2f6b3637b3aa444cd < aa1f912712a109b6306746133de7e5343f016b26 | aa1f912712a109b6306746133de7e5343f016b26 |
| linux | linux | >= c3e2fe9222d428f115baeba2f6b3637b3aa444cd < 47d11d35203b0aa13533634e270fe2c3610e531b | 47d11d35203b0aa13533634e270fe2c3610e531b |
| linux | linux | >= c3e2fe9222d428f115baeba2f6b3637b3aa444cd < 3344b58b53a76199dae48faa396e9fc37bf86992 | 3344b58b53a76199dae48faa396e9fc37bf86992 |
| linux | linux_kernel | < 5.10.88 | 5.10.88 |
| linux | linux_kernel | >= 0 < 5.10.92-1 | 5.10.92-1 |
| linux | linux_kernel | >= 0 < 5.15.15-1 | 5.15.15-1 |
| linux | linux_kernel | >= 0 < 5.15.15-1 | 5.15.15-1 |
| linux | linux_kernel | >= 0 < 5.15.15-1 | 5.15.15-1 |
| linux | linux_kernel | >= 5.11 < 5.15.11 | 5.15.11 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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Red Hat
kernel: scsi: scsi_debug: Don't call kcalloc() if size arg is zero
vendor_redhat·2024-06-19·CVSS 5.5
CVE-2021-47578 [MEDIUM] CWE-770 kernel: scsi: scsi_debug: Don't call kcalloc() if size arg is zero
kernel: scsi: scsi_debug: Don't call kcalloc() if size arg is zero
In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_debug: Don't call kcalloc() if size arg is zero
If the size arg to kcalloc() is zero, it returns ZERO_SIZE_PTR. Because of
that, for a following NULL pointer check to work on the returned pointer,
kcalloc() must not be called with the size arg equal to zero. Return early
without error before the kcalloc() call if size arg is zero.
BUG: KASAN: null-ptr-deref in memcpy include/linux/fortify-string.h:191 [inline]
BUG: KASAN: null-ptr-deref in sg_copy_buffer+0x138/0x240 lib/scatterlist.c:974
Write of size 4 at addr 0000000000000010 by task syz-executor.1/22789
CPU: 1 PID: 22789 Comm: syz-executor.1 Not tainted 5.15.0-syzk #1
Hardware name: Red Hat K
Debian
CVE-2021-47578: linux - In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_...
vendor_debian·2021·CVSS 5.5
CVE-2021-47578 [MEDIUM] CVE-2021-47578: linux - In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_...
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Don't call kcalloc() if size arg is zero If the size arg to kcalloc() is zero, it returns ZERO_SIZE_PTR. Because of that, for a following NULL pointer check to work on the returned pointer, kcalloc() must not be called with the size arg equal to zero. Return early without error before the kcalloc() call if size arg is zero. BUG: KASAN: null-ptr-deref in memcpy include/linux/fortify-string.h:191 [inline] BUG: KASAN: null-ptr-deref in sg_copy_buffer+0x138/0x240 lib/scatterlist.c:974 Write of size 4 at addr 0000000000000010 by task syz-executor.1/22789 CPU: 1 PID: 22789 Comm: syz-executor.1 Not tainted 5.15.0-syzk #1 Hardware name: Red Hat KVM, BIOS 1.13.0-2 Call Trace: __dump_stack lib/dump_stack.c:88 [inli
GHSA
GHSA-7xj6-3ppc-gc3r: In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_debug: Don't call kcalloc() if size arg is zero
If the size arg to kc
ghsa_unreviewed·2024-06-19
CVE-2021-47578 [MEDIUM] CWE-476 GHSA-7xj6-3ppc-gc3r: In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_debug: Don't call kcalloc() if size arg is zero
If the size arg to kc
In the Linux kernel, the following vulnerability has been resolved:
scsi: scsi_debug: Don't call kcalloc() if size arg is zero
If the size arg to kcalloc() is zero, it returns ZERO_SIZE_PTR. Because of
that, for a following NULL pointer check to work on the returned pointer,
kcalloc() must not be called with the size arg equal to zero. Return early
without error before the kcalloc() call if size arg is zero.
BUG: KASAN: null-ptr-deref in memcpy include/linux/fortify-string.h:191 [inline]
BUG: KASAN: null-ptr-deref in sg_copy_buffer+0x138/0x240 lib/scatterlist.c:974
Write of size 4 at addr 0000000000000010 by task syz-executor.1/22789
CPU: 1 PID: 22789 Comm: syz-executor.1 Not tainted 5.15.0-syzk #1
Hardware name: Red Hat KVM, BIOS 1.13.0-2
Call Trace:
__dump_stack lib/dump_stack.c:88 [
OSV
CVE-2021-47578: In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Don't call kcalloc() if size arg is zero If the size arg to kcal
osv·2024-06-19·CVSS 5.5
CVE-2021-47578 [MEDIUM] CVE-2021-47578: In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Don't call kcalloc() if size arg is zero If the size arg to kcal
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Don't call kcalloc() if size arg is zero If the size arg to kcalloc() is zero, it returns ZERO_SIZE_PTR. Because of that, for a following NULL pointer check to work on the returned pointer, kcalloc() must not be called with the size arg equal to zero. Return early without error before the kcalloc() call if size arg is zero. BUG: KASAN: null-ptr-deref in memcpy include/linux/fortify-string.h:191 [inline] BUG: KASAN: null-ptr-deref in sg_copy_buffer+0x138/0x240 lib/scatterlist.c:974 Write of size 4 at addr 0000000000000010 by task syz-executor.1/22789 CPU: 1 PID: 22789 Comm: syz-executor.1 Not tainted 5.15.0-syzk #1 Hardware name: Red Hat KVM, BIOS 1.13.0-2 Call Trace: __dump_stack lib/dump_stack.c:88 [inli
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://git.kernel.org/stable/c/3344b58b53a76199dae48faa396e9fc37bf86992https://git.kernel.org/stable/c/47d11d35203b0aa13533634e270fe2c3610e531bhttps://git.kernel.org/stable/c/aa1f912712a109b6306746133de7e5343f016b26https://git.kernel.org/stable/c/3344b58b53a76199dae48faa396e9fc37bf86992https://git.kernel.org/stable/c/47d11d35203b0aa13533634e270fe2c3610e531bhttps://git.kernel.org/stable/c/aa1f912712a109b6306746133de7e5343f016b26
2024-06-19
Published