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CVE-2023-53124— scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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mpt3sas驱动在添加传输端口时存在空指针访问。

AI Predicted 5.3 Difficulty: Easy EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1001 · Data Obfuscation

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux d60000cb1195a464080b0efb4949daf7594e0020< 090305c36185c0547e4441d4c08f1cf096b32134 affected
ce1a69cc85006b494353911b35171da195d79e25< 6f0c2f70d9929208d8427ec72c3ed91e2251e289 affected
6a92129c8f999ff5b122c100ce7f625eb3e98c4b< 9937f784a608944107dcc2ba9a9c3333f8330b9e affected
d17bca3ddfe507874cb826d32721552da12e741f< b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3 affected
78316e9dfc24906dd474630928ed1d3c562b568e< a26c775ccc4cfe46f9b718b51bd24313053c7e0b affected
78316e9dfc24906dd474630928ed1d3c562b568e< d3c57724f1569311e4b81e98fad0931028b9bdcd affected
6f6768e2fc8638fabdd8802c2ef693d7aef01db1 affected
5.4.229< 5.4.238 affected
… +12 more rows
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I. Basic Information for CVE-2023-53124

Vulnerability Information
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Vulnerability Title
scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add() Port is allocated by sas_port_alloc_num() and rphy is allocated by either sas_end_device_alloc() or sas_expander_alloc(), all of which may return NULL. So we need to check the rphy to avoid possible NULL pointer access. If sas_rphy_add() returned with failure, rphy is set to NULL. We would access the rphy in the following lines which would also result NULL pointer access.
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mpt3sas驱动在添加传输端口时存在空指针访问。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux d60000cb1195a464080b0efb4949daf7594e0020 ~ 090305c36185c0547e4441d4c08f1cf096b32134 -
Linux Linux 6.2 -

II. Public POCs for CVE-2023-53124

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III. Intelligence Information for CVE-2023-53124

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Patches & Fixes for CVE-2023-53124 (6)

Same Patch Batch · Linux · 2025-05-02 · 107 CVEs total

CVE-2023-53116 9.8 CRITICAL nvmet: avoid potential UAF in nvmet_req_complete()
CVE-2023-53083 9.8 CRITICAL nfsd: don't replace page in rq_pages if it's a continuation of last page
CVE-2023-53086 8.8 HIGH wifi: mt76: connac: do not check WED status for non-mmio devices
CVE-2025-37798 7.8 HIGH codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()
CVE-2023-53138 7.8 HIGH net: caif: Fix use-after-free in cfusbl_device_notify()
CVE-2023-53111 7.8 HIGH loop: Fix use-after-free issues
CVE-2023-53107 7.8 HIGH veth: Fix use after free in XDP_REDIRECT
CVE-2023-53102 7.8 HIGH ice: xsk: disable txq irq before flushing hw
CVE-2023-53100 7.8 HIGH ext4: fix WARNING in ext4_update_inline_data
CVE-2023-53094 7.8 HIGH tty: serial: fsl_lpuart: fix race on RX DMA shutdown
CVE-2023-53090 7.8 HIGH drm/amdkfd: Fix an illegal memory access
CVE-2023-53088 7.8 HIGH mptcp: fix UaF in listener shutdown
CVE-2023-53087 7.8 HIGH drm/i915/active: Fix misuse of non-idle barriers as fence trackers
CVE-2023-53084 7.8 HIGH drm/shmem-helper: Remove another errant put in error path
CVE-2023-53080 7.8 HIGH xsk: Add missing overflow check in xdp_umem_reg
CVE-2023-53072 7.8 HIGH mptcp: use the workqueue to destroy unaccepted sockets
CVE-2023-53065 7.8 HIGH perf/core: Fix perf_output_begin parameter is incorrectly invoked in perf_event_bpf_output
CVE-2023-53057 7.8 HIGH Bluetooth: HCI: Fix global-out-of-bounds
CVE-2023-53052 7.8 HIGH cifs: fix use-after-free bug in refresh_cache_worker()
CVE-2023-53046 7.8 HIGH Bluetooth: Fix race condition in hci_cmd_sync_clear

Showing top 20 of 107 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53124

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