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CVE-2024-26928— smb: client: fix potential UAF in cifs_debug_files_proc_show()

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，该漏洞源于内存释放后重用。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075< 8f8718afd446cd4ea3b62bacc3eec09f8aae85ee affected
dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075< a140224bcf87eb98a87b67ff4c6826c57e47b704 affected
dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075< 229042314602db62559ecacba127067c22ee7b88 affected
dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075< a65f2b56334ba4dc30bd5ee9ce5b2691b973344d affected
dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075< 3402faf78b2516b0af1259baff50cc8453ef0bd1 affected
dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075< ca545b7f0823f19db0f1148d59bc5e1a56634502 affected
4.20 affected
< 4.20 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-26928

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
smb: client: fix potential UAF in cifs_debug_files_proc_show()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifs_debug_files_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
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，该漏洞源于内存释放后重用。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 ~ 8f8718afd446cd4ea3b62bacc3eec09f8aae85ee -
Linux Linux 4.20 -

II. Public POCs for CVE-2024-26928

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III. Intelligence Information for CVE-2024-26928

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Patches & Fixes for CVE-2024-26928 (1)

Other References for CVE-2024-26928 (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-2022-48632 7.8 HIGH i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
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

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-2024-26928

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