CVE-2023-53595— octeontx2-pf: mcs: Fix NULL pointer dereferences
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | c54ffc73601c0a239e55911923a6e23a2a74f143< a3dcc45eca017fca82ac47dbde6f41af960657e5 | affected |
c54ffc73601c0a239e55911923a6e23a2a74f143< 1152c0f947b76e7731e039185cbd00fdb4389f00 | affected | ||
c54ffc73601c0a239e55911923a6e23a2a74f143< 13ff119b17e5e2916435ce01a0156c8698ad9e16 | affected | ||
c54ffc73601c0a239e55911923a6e23a2a74f143< 699af748c61574125d269db260dabbe20436d74e | affected | ||
6.1 | affected | ||
< 6.1 | unaffected | ||
6.1.29≤ 6.1.* | unaffected | ||
6.2.16≤ 6.2.* | unaffected | ||
| … +2 more rows | |||
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I. Basic Information for CVE-2023-53595
Vulnerability Information
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Vulnerability Title
octeontx2-pf: mcs: Fix NULL pointer dereferences
Source: CVE Program / CVE List V5
Vulnerability Description
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 [ 966.869303] raw_notifier_call_chain+0x50/0x70 [ 966.873738] call_netdevice_notifiers_info+0x34/0x7c [ 966.878694] rollback_registered_many+0x354/0x5bc [ 966.883390] unregister_netdevice_queue+0x88/0x10c [ 966.888173] unregister_netdev+0x20/0x30 [ 966.892090] otx2_remove+0x8c/0x310 [ 966.895571] pci_device_shutdown+0x30/0x70 [ 966.899660] device_shutdown+0x11c/0x204 [ 966.903574] __do_sys_reboot+0x208/0x290 [ 966.907487] __arm64_sys_reboot+0x20/0x30 [ 966.911489] el0_svc_handler+0x80/0x1c0 [ 966.915316] el0_svc+0x8/0x180 [ 966.918362] Code: f9400000 f9400a64 91220014 f94b3403 (f9400060) [ 966.924448] ---[ end trace 341778e799c3d8d7 ]---
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于拆卸顺序不当，可能导致空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-53595
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-53595 (1)
Same Patch Batch · Linux · 2025-10-04 · 144 CVEs total
| CVE-2025-39932 | 9.8 CRITICAL | smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work) |
| CVE-2025-39948 | 9.8 CRITICAL | ice: fix Rx page leak on multi-buffer frames |
| CVE-2025-39946 | 9.8 CRITICAL | tls: make sure to abort the stream if headers are bogus |
| CVE-2025-39933 | 9.4 CRITICAL | smb: client: let recv_done verify data_offset, data_length and remaining_data_length |
| CVE-2025-39943 | 9.4 CRITICAL | ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer |
| CVE-2023-53600 | 9.1 CRITICAL | tunnels: fix kasan splat when generating ipv4 pmtu error |
| CVE-2023-53615 | 8.8 HIGH | scsi: qla2xxx: Fix deletion race condition |
| CVE-2025-39952 | 8.8 HIGH | wifi: wilc1000: avoid buffer overflow in WID string configuration |
| CVE-2023-53589 | 8.8 HIGH | wifi: iwlwifi: mvm: don't trust firmware n_channels |
| CVE-2023-53586 | 8.8 HIGH | scsi: target: Fix multiple LUN_RESET handling |
| CVE-2022-50493 | 8.8 HIGH | scsi: qla2xxx: Fix crash when I/O abort times out |
| CVE-2023-53598 | 8.4 HIGH | bus: mhi: host: Range check CHDBOFF and ERDBOFF |
| CVE-2023-53566 | 7.8 HIGH | netfilter: nft_set_rbtree: fix null deref on element insertion |
| CVE-2023-53536 | 7.8 HIGH | blk-crypto: make blk_crypto_evict_key() more robust |
| CVE-2023-53560 | 7.8 HIGH | tracing/histograms: Add histograms to hist_vars if they have referenced variables |
| CVE-2023-53559 | 7.8 HIGH | ip_vti: fix potential slab-use-after-free in decode_session6 |
| CVE-2023-53557 | 7.8 HIGH | fprobe: Release rethook after the ftrace_ops is unregistered |
| CVE-2023-53537 | 7.8 HIGH | f2fs: fix to avoid use-after-free for cached IPU bio |
| CVE-2023-53539 | 7.8 HIGH | RDMA/rxe: Fix incomplete state save in rxe_requester |
| CVE-2023-53545 | 7.8 HIGH | drm/amdgpu: unmap and remove csa_va properly |
Showing top 20 of 144 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-68081
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to - CVE-2026-68082
libceph: fix two unsafe bare decodes in decode_lockers() - CVE-2026-68480
x86/bugs: Make Safe-RET robust against interrupt injection - CVE-2026-64604
KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is - CVE-2026-64602
iio: adc: spear: Initialize completion before requesting IRQ
Same vendor: Linux
- CVE-2026-68081
KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to - CVE-2026-68082
libceph: fix two unsafe bare decodes in decode_lockers() - CVE-2026-68480
x86/bugs: Make Safe-RET robust against interrupt injection - CVE-2026-64604
KVM: VMX: Grab vmcs12 on CR8 interception update iff vCPU is - CVE-2026-64602
iio: adc: spear: Initialize completion before requesting IRQ
V. Comments for CVE-2023-53595
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