CVE-2021-47397
published 2024-05-21CVE-2021-47397: In the Linux kernel, the following vulnerability has been resolved: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb We should always check…
PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.77%
52.0th percentile
In the Linux kernel, the following vulnerability has been resolved:
sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
We should always check if skb_header_pointer's return is NULL before
using it, otherwise it may cause null-ptr-deref, as syzbot reported:
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:sctp_rcv_ootb net/sctp/input.c:705 [inline]
RIP: 0010:sctp_rcv+0x1d84/0x3220 net/sctp/input.c:196
Call Trace:
sctp6_rcv+0x38/0x60 net/sctp/ipv6.c:1109
ip6_protocol_deliver_rcu+0x2e9/0x1ca0 net/ipv6/ip6_input.c:422
ip6_input_finish+0x62/0x170 net/ipv6/ip6_input.c:463
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:472
dst_input include/net/dst.h:460 [inline]
ip6_rcv_finish net/ipv6/ip6_input.c:76 [inline]
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
ipv6_rcv+0x28c/0x3c0 net/ipv6/ip6_input.c:297
Affected
20 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.14.12-1 (bookworm) | linux 5.14.12-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 3acb50c18d8d6650f10919464ade4dcdaf41d62f < 77bc7dcf0fcc1519341a91788d7a2914fcfddf6d | 77bc7dcf0fcc1519341a91788d7a2914fcfddf6d |
| linux | linux | >= 3acb50c18d8d6650f10919464ade4dcdaf41d62f < 8c630a7b4f9dec63f08bd881ab77984a724a5124 | 8c630a7b4f9dec63f08bd881ab77984a724a5124 |
| linux | linux | >= 3acb50c18d8d6650f10919464ade4dcdaf41d62f < ec018021cf445abbe8e2f3e2a7f1dcc813cb8ea1 | ec018021cf445abbe8e2f3e2a7f1dcc813cb8ea1 |
| linux | linux | >= 3acb50c18d8d6650f10919464ade4dcdaf41d62f < 9c6591ae8e63f93c895ad5e2703c36c548aac997 | 9c6591ae8e63f93c895ad5e2703c36c548aac997 |
| linux | linux | >= 3acb50c18d8d6650f10919464ade4dcdaf41d62f < 8180611c238e11676612eb2a9828b1c7a3a4d77b | 8180611c238e11676612eb2a9828b1c7a3a4d77b |
| linux | linux | >= 3acb50c18d8d6650f10919464ade4dcdaf41d62f < f7e745f8e94492a8ac0b0a26e25f2b19d342918f | f7e745f8e94492a8ac0b0a26e25f2b19d342918f |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.84-1 | 5.10.84-1 |
| linux | linux_kernel | >= 0 < 5.14.12-1 | 5.14.12-1 |
| linux | linux_kernel | >= 0 < 5.14.12-1 | 5.14.12-1 |
| linux | linux_kernel | >= 0 < 5.14.12-1 | 5.14.12-1 |
| linux | linux_kernel | >= 4.15 < 4.19.209 | 4.19.209 |
| linux | linux_kernel | >= 4.20 < 5.4.151 | 5.4.151 |
| linux | linux_kernel | >= 4.8 < 4.14.249 | 4.14.249 |
| linux | linux_kernel | >= 5.11 < 5.14.10 | 5.14.10 |
| linux | linux_kernel | >= 5.5 < 5.10.71 | 5.10.71 |
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: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
vendor_redhat·2024-05-21·CVSS 5.5
CVE-2021-47397 [MEDIUM] CWE-476 kernel: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
kernel: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
In the Linux kernel, the following vulnerability has been resolved:
sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
We should always check if skb_header_pointer's return is NULL before
using it, otherwise it may cause null-ptr-deref, as syzbot reported:
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:sctp_rcv_ootb net/sctp/input.c:705 [inline]
RIP: 0010:sctp_rcv+0x1d84/0x3220 net/sctp/input.c:196
Call Trace:
sctp6_rcv+0x38/0x60 net/sctp/ipv6.c:1109
ip6_protocol_deliver_rcu+0x2e9/0x1ca0 net/ipv6/ip6_input.c:422
ip6_input_finish+0x62/0x170 net/ipv6/ip6_input.c:463
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
ip6_in
Debian
CVE-2021-47397: linux - In the Linux kernel, the following vulnerability has been resolved: sctp: break...
vendor_debian·2021·CVSS 5.5
CVE-2021-47397 [MEDIUM] CVE-2021-47397: linux - In the Linux kernel, the following vulnerability has been resolved: sctp: break...
In the Linux kernel, the following vulnerability has been resolved: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb We should always check if skb_header_pointer's return is NULL before using it, otherwise it may cause null-ptr-deref, as syzbot reported: KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:sctp_rcv_ootb net/sctp/input.c:705 [inline] RIP: 0010:sctp_rcv+0x1d84/0x3220 net/sctp/input.c:196 Call Trace: sctp6_rcv+0x38/0x60 net/sctp/ipv6.c:1109 ip6_protocol_deliver_rcu+0x2e9/0x1ca0 net/ipv6/ip6_input.c:422 ip6_input_finish+0x62/0x170 net/ipv6/ip6_input.c:463 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:472 dst_input include/net/dst.h:460 [inline
OSV
CVE-2021-47397: In the Linux kernel, the following vulnerability has been resolved: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb We should alwa
osv·2024-05-21·CVSS 5.5
CVE-2021-47397 [MEDIUM] CVE-2021-47397: In the Linux kernel, the following vulnerability has been resolved: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb We should alwa
In the Linux kernel, the following vulnerability has been resolved: sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb We should always check if skb_header_pointer's return is NULL before using it, otherwise it may cause null-ptr-deref, as syzbot reported: KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] RIP: 0010:sctp_rcv_ootb net/sctp/input.c:705 [inline] RIP: 0010:sctp_rcv+0x1d84/0x3220 net/sctp/input.c:196 Call Trace: sctp6_rcv+0x38/0x60 net/sctp/ipv6.c:1109 ip6_protocol_deliver_rcu+0x2e9/0x1ca0 net/ipv6/ip6_input.c:422 ip6_input_finish+0x62/0x170 net/ipv6/ip6_input.c:463 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:472 dst_input include/net/dst.h:460 [inline
GHSA
GHSA-v8p3-mfrc-9v8j: In the Linux kernel, the following vulnerability has been resolved:
sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
We should al
ghsa_unreviewed·2024-05-21
CVE-2021-47397 [MEDIUM] CWE-476 GHSA-v8p3-mfrc-9v8j: In the Linux kernel, the following vulnerability has been resolved:
sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
We should al
In the Linux kernel, the following vulnerability has been resolved:
sctp: break out if skb_header_pointer returns NULL in sctp_rcv_ootb
We should always check if skb_header_pointer's return is NULL before
using it, otherwise it may cause null-ptr-deref, as syzbot reported:
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:sctp_rcv_ootb net/sctp/input.c:705 [inline]
RIP: 0010:sctp_rcv+0x1d84/0x3220 net/sctp/input.c:196
Call Trace:
sctp6_rcv+0x38/0x60 net/sctp/ipv6.c:1109
ip6_protocol_deliver_rcu+0x2e9/0x1ca0 net/ipv6/ip6_input.c:422
ip6_input_finish+0x62/0x170 net/ipv6/ip6_input.c:463
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:472
dst_input include/net/dst.h:460 [in
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/77bc7dcf0fcc1519341a91788d7a2914fcfddf6dhttps://git.kernel.org/stable/c/8180611c238e11676612eb2a9828b1c7a3a4d77bhttps://git.kernel.org/stable/c/8c630a7b4f9dec63f08bd881ab77984a724a5124https://git.kernel.org/stable/c/9c6591ae8e63f93c895ad5e2703c36c548aac997https://git.kernel.org/stable/c/ec018021cf445abbe8e2f3e2a7f1dcc813cb8ea1https://git.kernel.org/stable/c/f7e745f8e94492a8ac0b0a26e25f2b19d342918fhttps://git.kernel.org/stable/c/77bc7dcf0fcc1519341a91788d7a2914fcfddf6dhttps://git.kernel.org/stable/c/8180611c238e11676612eb2a9828b1c7a3a4d77bhttps://git.kernel.org/stable/c/8c630a7b4f9dec63f08bd881ab77984a724a5124https://git.kernel.org/stable/c/9c6591ae8e63f93c895ad5e2703c36c548aac997https://git.kernel.org/stable/c/ec018021cf445abbe8e2f3e2a7f1dcc813cb8ea1https://git.kernel.org/stable/c/f7e745f8e94492a8ac0b0a26e25f2b19d342918f
2024-05-21
Published