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CVE-2022-48632— i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()

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mlxbf_i2c_smbus_start_transaction函数中存在堆栈溢出漏洞。

CVSS 7.8 · High EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux b5b5b32081cd206baa6e58cca7f112d9723785d6< 48ee0a864d1af02eea98fc825cc230d61517a71e affected
b5b5b32081cd206baa6e58cca7f112d9723785d6< dc2a0c587006f29b724069740c48654b9dcaebd2 affected
b5b5b32081cd206baa6e58cca7f112d9723785d6< 3b5ab5fbe69ebbee5692c72b05071a43fc0655d8 affected
b5b5b32081cd206baa6e58cca7f112d9723785d6< de24aceb07d426b6f1c59f33889d6a964770547b affected
5.10 affected
< 5.10 unaffected
5.10.146≤ 5.10.* unaffected
5.15.71≤ 5.15.* unaffected
… +2 more rows
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I. Basic Information for CVE-2022-48632

Vulnerability Information
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Vulnerability Title
i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() memcpy() is called in a loop while 'operation->length' upper bound is not checked and 'data_idx' also increments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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mlxbf_i2c_smbus_start_transaction函数中存在堆栈溢出漏洞。
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 b5b5b32081cd206baa6e58cca7f112d9723785d6 ~ 48ee0a864d1af02eea98fc825cc230d61517a71e -
Linux Linux 5.10 -

II. Public POCs for CVE-2022-48632

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III. Intelligence Information for CVE-2022-48632

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Other References for CVE-2022-48632 (4)

Same Patch Batch · Linux · 2024-04-28 · 40 CVEs total

CVE-2022-48666 9.8 CRITICAL scsi: core: Fix a use-after-free
CVE-2022-48652 8.8 HIGH ice: Fix crash by keep old cfg when update TCs more than queues
CVE-2022-48636 7.8 HIGH s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup
CVE-2022-48637 7.8 HIGH bnxt: prevent skb UAF after handing over to PTP worker
CVE-2022-48658 7.5 HIGH mm: slub: fix flush_cpu_slab()/__free_slab() invocations in task context.
CVE-2022-48665 7.1 HIGH exfat: fix overflow for large capacity partition
CVE-2022-48654 7.1 HIGH netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find()
CVE-2022-48645 net: enetc: deny offload of tc-based TSN features on VF interfaces
CVE-2022-48649 mm/slab_common: fix possible double free of kmem_cache
CVE-2022-48644 net/sched: taprio: avoid disabling offload when it was never enabled
CVE-2022-48643 netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()
CVE-2022-48642 netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
CVE-2022-48641 netfilter: ebtables: fix memory leak when blob is malformed
CVE-2022-48640 bonding: fix NULL deref in bond_rr_gen_slave_id
CVE-2022-48639 net: sched: fix possible refcount leak in tc_new_tfilter()
CVE-2022-48638 cgroup: cgroup_get_from_id() must check the looked-up kn is a directory
CVE-2022-48635 fsdax: Fix infinite loop in dax_iomap_rw()
CVE-2022-48634 drm/gma500: Fix BUG: sleeping function called from invalid context errors
CVE-2022-48633 drm/gma500: Fix WARN_ON(lock->magic != lock) error
CVE-2022-48631 ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0

Showing top 20 of 40 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48632

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