CVE-2023-53595
published 2025-10-04CVE-2023-53595: In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: mcs: Fix NULL pointer dereferences When system is rebooted after creating…
PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.14%
3.4th percentile
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: mcs: Fix NULL pointer dereferences
When system is rebooted after creating macsec interface
below NULL pointer dereference crashes occurred. This
patch fixes those crashes by using correct order of teardown
[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 3324.415726] Mem abort info:
[ 3324.418510] ESR = 0x96000006
[ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits
[ 3324.426865] SET = 0, FnV = 0
[ 3324.429913] EA = 0, S1PTW = 0
[ 3324.433047] Data abort info:
[ 3324.435921] ISV = 0, ISS = 0x00000006
[ 3324.439748] CM = 0, WnR = 0
....
[ 3324.575915] Call trace:
[ 3324.578353] cn10k_mdo_del_secy+0x24/0x180
[ 3324.582440] macsec_common_dellink+0xec/0x120
[ 3324.586788] macsec_notify+0x17c/0x1c0
[ 3324.590529] raw_notifier_call_chain+0x50/0x70
[ 3324.594965] call_netdevice_notifiers_info+0x34/0x7c
[ 3324.599921] rollback_registered_many+0x354/0x5bc
[ 3324.604616] unregister_netdevice_queue+0x88/0x10c
[ 3324.609399] unregister_netdev+0x20/0x30
[ 3324.613313] otx2_remove+0x8c/0x310
[ 3324.616794] pci_device_shutdown+0x30/0x70
[ 3324.620882] device_shutdown+0x11c/0x204
[ 966.664930] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 966.673712] Mem abort info:
[ 966.676497] ESR = 0x96000006
[ 966.679543] EC = 0x25: DABT (current EL), IL = 32 bits
[ 966.684848] SET = 0, FnV = 0
[ 966.687895] EA = 0, S1PTW = 0
[ 966.691028] Data abort info:
[ 966.693900] ISV = 0, ISS = 0x00000006
[ 966.697729] CM = 0, WnR = 0
[ 966.833467] Call trace:
[ 966.835904] cn10k_mdo_stop+0x20/0xa0
[ 966.839557] macsec_dev_stop+0xe8/0x11c
[ 966.843384] __dev_close_many+0xbc/0x140
[ 966.847298] dev_close_many+0x84/0x120
[ 966.851039] rollback_registered_many+0x114/0x5bc
[ 966.855735] unregister_netdevice_many.part.0+0x14/0xa0
[ 966.860952] unregister_netdevice_many+0x18/0x24
[ 966.865560] macsec_notify+0x1ac/0x1c0
[ 966.8
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.37-1 (bookworm) | linux 6.1.37-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= c54ffc73601c0a239e55911923a6e23a2a74f143 < a3dcc45eca017fca82ac47dbde6f41af960657e5 | a3dcc45eca017fca82ac47dbde6f41af960657e5 |
| linux | linux | >= c54ffc73601c0a239e55911923a6e23a2a74f143 < 1152c0f947b76e7731e039185cbd00fdb4389f00 | 1152c0f947b76e7731e039185cbd00fdb4389f00 |
| linux | linux | >= c54ffc73601c0a239e55911923a6e23a2a74f143 < 13ff119b17e5e2916435ce01a0156c8698ad9e16 | 13ff119b17e5e2916435ce01a0156c8698ad9e16 |
| linux | linux | >= c54ffc73601c0a239e55911923a6e23a2a74f143 < 699af748c61574125d269db260dabbe20436d74e | 699af748c61574125d269db260dabbe20436d74e |
| linux | linux_kernel | >= 0 < 6.1.37-1 | 6.1.37-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 6.1 < 6.1.29 | 6.1.29 |
| linux | linux_kernel | >= 6.2 < 6.2.16 | 6.2.16 |
| linux | linux_kernel | >= 6.3 < 6.3.3 | 6.3.3 |
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: octeontx2-pf: mcs: Fix NULL pointer dereferences
vendor_redhat·2025-10-04·CVSS 5.5
CVE-2023-53595 [MEDIUM] CWE-476 kernel: octeontx2-pf: mcs: Fix NULL pointer dereferences
kernel: octeontx2-pf: mcs: Fix NULL pointer dereferences
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: mcs: Fix NULL pointer dereferences
When system is rebooted after creating macsec interface
below NULL pointer dereference crashes occurred. This
patch fixes those crashes by using correct order of teardown
[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 3324.415726] Mem abort info:
[ 3324.418510] ESR = 0x96000006
[ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits
[ 3324.426865] SET = 0, FnV = 0
[ 3324.429913] EA = 0, S1PTW = 0
[ 3324.433047] Data abort info:
[ 3324.435921] ISV = 0, ISS = 0x00000006
[ 3324.439748] CM = 0, WnR = 0
....
[ 3324.575915] Call trace:
[ 3324.578353] cn10k_mdo_del_sec
Debian
CVE-2023-53595: linux - In the Linux kernel, the following vulnerability has been resolved: octeontx2-p...
vendor_debian·2023·CVSS 5.5
CVE-2023-53595 [MEDIUM] CVE-2023-53595: linux - In the Linux kernel, the following vulnerability has been resolved: octeontx2-p...
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: mcs: Fix NULL pointer dereferences When system is rebooted after creating macsec interface below NULL pointer dereference crashes occurred. This patch fixes those crashes by using correct order of teardown [ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 3324.415726] Mem abort info: [ 3324.418510] ESR = 0x96000006 [ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits [ 3324.426865] SET = 0, FnV = 0 [ 3324.429913] EA = 0, S1PTW = 0 [ 3324.433047] Data abort info: [ 3324.435921] ISV = 0, ISS = 0x00000006 [ 3324.439748] CM = 0, WnR = 0 .... [ 3324.575915] Call trace: [ 3324.578353] cn10k_mdo_del_secy+0x24/0x180 [ 3324.582440] macsec_common_dellink+0xec/0x1
VulDB
Linux Kernel up to 6.1.28/6.2.15/6.3.2 cn10k_mdo_del_secy null pointer dereference (EUVD-2023-60013 / WID-SEC-2025-2194)
vuldb·2026-04-28·CVSS 5.5
CVE-2023-53595 [MEDIUM] Linux Kernel up to 6.1.28/6.2.15/6.3.2 cn10k_mdo_del_secy null pointer dereference (EUVD-2023-60013 / WID-SEC-2025-2194)
A vulnerability identified as critical has been detected in Linux Kernel up to 6.1.28/6.2.15/6.3.2. The impacted element is the function cn10k_mdo_del_secy. Performing a manipulation results in null pointer dereference.
This vulnerability is reported as CVE-2023-53595. The attacker must have access to the local network to execute the attack. No exploit exists.
You should upgrade the affected component.
GHSA
GHSA-9jxv-7cgw-j3gc: In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: mcs: Fix NULL pointer dereferences
When system is rebooted after c
ghsa_unreviewed·2025-10-04
CVE-2023-53595 [MEDIUM] CWE-476 GHSA-9jxv-7cgw-j3gc: In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: mcs: Fix NULL pointer dereferences
When system is rebooted after c
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-pf: mcs: Fix NULL pointer dereferences
When system is rebooted after creating macsec interface
below NULL pointer dereference crashes occurred. This
patch fixes those crashes by using correct order of teardown
[ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 3324.415726] Mem abort info:
[ 3324.418510] ESR = 0x96000006
[ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits
[ 3324.426865] SET = 0, FnV = 0
[ 3324.429913] EA = 0, S1PTW = 0
[ 3324.433047] Data abort info:
[ 3324.435921] ISV = 0, ISS = 0x00000006
[ 3324.439748] CM = 0, WnR = 0
....
[ 3324.575915] Call trace:
[ 3324.578353] cn10k_mdo_del_secy+0x24/0x180
[ 3324.582440] macsec_common_dellink+0xec/
OSV
CVE-2023-53595: In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: mcs: Fix NULL pointer dereferences When system is rebooted after cre
osv·2025-10-04·CVSS 5.5
CVE-2023-53595 [MEDIUM] CVE-2023-53595: In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: mcs: Fix NULL pointer dereferences When system is rebooted after cre
In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: mcs: Fix NULL pointer dereferences When system is rebooted after creating macsec interface below NULL pointer dereference crashes occurred. This patch fixes those crashes by using correct order of teardown [ 3324.406942] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 3324.415726] Mem abort info: [ 3324.418510] ESR = 0x96000006 [ 3324.421557] EC = 0x25: DABT (current EL), IL = 32 bits [ 3324.426865] SET = 0, FnV = 0 [ 3324.429913] EA = 0, S1PTW = 0 [ 3324.433047] Data abort info: [ 3324.435921] ISV = 0, ISS = 0x00000006 [ 3324.439748] CM = 0, WnR = 0 .... [ 3324.575915] Call trace: [ 3324.578353] cn10k_mdo_del_secy+0x24/0x180 [ 3324.582440] macsec_common_dellink+0xec/0x1
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-10-04
Published