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CVE-2022-48641— netfilter: ebtables: fix memory leak when blob is malformed

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blob格式错误时会导致内存泄漏。

AI Predicted 4.3 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 13

VendorProduct Version RangeStatus
Linux Linux afd01382594d643e1adeb16826423b418cdf8b8b< 754e8b74281dd54a324698803483f47cf3355ae1 affected
358765beb836f5fc2ed26b5df4140d5d3548ac11< 1e98318af2f163eadaff815abcef38d27ca92c1e affected
160c4eb47db03b96c0c425358e7595ebefe8094d< 11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab affected
624c30521233e110cf50ba01980a591e045036ae< ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee affected
1b2c5428f773d60c116c7b1e390432e0cfb63cd6< d5917b7af7cae0e2804f9d127a03268035098b7f affected
e53cfa017bf4575d0b948a8f45313ef66d897136< 38cf372b17f0a5f35c1b716a100532d539f0eb33 affected
7997eff82828304b780dc0a39707e1946d6f1ebf< 62ce44c4fff947eebdf10bb582267e686e6835c9 affected
4.14.292< 4.14.295 affected
… +5 more rows
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I. Basic Information for CVE-2022-48641

Vulnerability Information
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Vulnerability Title
netfilter: ebtables: fix memory leak when blob is malformed
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete, it "replaced" crash with a memory leak. The old code had an assignment to "ret" embedded into the conditional, restore this.
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blob格式错误时会导致内存泄漏。
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 afd01382594d643e1adeb16826423b418cdf8b8b ~ 754e8b74281dd54a324698803483f47cf3355ae1 -
Linux Linux 4.14.292 ~ 4.14.295 -

II. Public POCs for CVE-2022-48641

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III. Intelligence Information for CVE-2022-48641

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Other References for CVE-2022-48641 (7)

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-2022-48640 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-2022-48641

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