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CVE-2023-53435— cassini: Fix a memory leak in the error handling path of cas_init_one()

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cas_init_one错误处理路径中未释放vmalloc分配的内存，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< 11c0ed097a874156957b515d0ba7e356142eab87 affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< 60d8e8b88087d68e10c8991a0f6733fa2f963ff0 affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< e20105d967ab5b53ff50a0e5991fe37324d2ba20 affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< dc61f7582cc92d547d02e141cd66f5d1f4ed8012 affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< 234e744d86bd95b381d24546df2dba72804e0219 affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< 172146c26f0c1b86ab4e9ebffc7e06f04229fa17 affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< b8b1a667744741fa7807b09a12797a27f14f3fac affected
fcaa40669cd798ca2ac0d15441e8a1d1145f2b16< 412cd77a2c24b191c65ea53025222418db09817c affected
… +10 more rows
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I. Basic Information for CVE-2023-53435

Vulnerability Information
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Vulnerability Title
cassini: Fix a memory leak in the error handling path of cas_init_one()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cassini: Fix a memory leak in the error handling path of cas_init_one() cas_saturn_firmware_init() allocates some memory using vmalloc(). This memory is freed in the .remove() function but not it the error handling path of the probe. Add the missing vfree() to avoid a memory leak, should an error occur.
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cas_init_one错误处理路径中未释放vmalloc分配的内存，可能导致内存泄漏。
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 fcaa40669cd798ca2ac0d15441e8a1d1145f2b16 ~ 11c0ed097a874156957b515d0ba7e356142eab87 -
Linux Linux 2.6.28 -

II. Public POCs for CVE-2023-53435

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III. Intelligence Information for CVE-2023-53435

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Same Patch Batch · Linux · 2025-09-18 · 121 CVEs total

CVE-2022-50410 9.8 CRITICAL NFSD: Protect against send buffer overflow in NFSv2 READ
CVE-2022-50401 9.8 CRITICAL nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
CVE-2023-53382 9.8 CRITICAL net/smc: Reset connection when trying to use SMCRv2 fails.
CVE-2022-50419 8.8 HIGH Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times
CVE-2023-53431 8.8 HIGH scsi: ses: Handle enclosure with just a primary component gracefully
CVE-2023-53432 8.8 HIGH firewire: net: fix use after free in fwnet_finish_incoming_packet()
CVE-2022-50386 8.8 HIGH Bluetooth: L2CAP: Fix user-after-free
CVE-2022-50413 8.8 HIGH wifi: mac80211: fix use-after-free
CVE-2023-53374 8.8 HIGH Bluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early
CVE-2023-53372 8.2 HIGH sctp: fix a potential overflow in sctp_ifwdtsn_skip
CVE-2022-50399 7.8 HIGH media: atomisp: prevent integer overflow in sh_css_set_black_frame()
CVE-2023-53429 7.8 HIGH btrfs: don't check PageError in __extent_writepage
CVE-2023-53373 7.8 HIGH crypto: seqiv - Handle EBUSY correctly
CVE-2023-53376 7.8 HIGH scsi: mpi3mr: Use number of bits to manage bitmap sizes
CVE-2023-53386 7.8 HIGH Bluetooth: Fix potential use-after-free when clear keys
CVE-2022-50417 7.8 HIGH drm/panfrost: Fix GEM handle creation ref-counting
CVE-2023-53394 7.8 HIGH net/mlx5e: xsk: Fix crash on regular rq reactivation
CVE-2023-53387 7.8 HIGH scsi: ufs: core: Fix device management cmd timeout flow
CVE-2023-53388 7.8 HIGH drm/mediatek: Clean dangling pointer on bind error path
CVE-2023-53378 7.8 HIGH drm/i915/dpt: Treat the DPT BO as a framebuffer

Showing top 20 of 121 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53435

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