CVE-2022-48642— netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
Affected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 3bc158f8d0330f0ac58597c023acca2234c14616< b043a525a3f5520abb676a7cd8f6328fdf959e88 | affected |
3bc158f8d0330f0ac58597c023acca2234c14616< 08d7524f366a886b99b1630a24a27dd6e0d7f852 | affected | ||
3bc158f8d0330f0ac58597c023acca2234c14616< 985b031667c3177b9e7fb9787b989628e4271714 | affected | ||
3bc158f8d0330f0ac58597c023acca2234c14616< 9a4d6dd554b86e65581ef6b6638a39ae079b17ac | affected | ||
5.3 | affected | ||
< 5.3 | 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-2022-48642
Vulnerability Information
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Vulnerability Title
netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a ("netfilter: nf_tables: map basechain priority to hardware priority") when nft_chain_offload_priority() returned an error.
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nf_tables_addchain函数的percpu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
II. Public POCs for CVE-2022-48642
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-48642 (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-2022-48641 | 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 → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
V. Comments for CVE-2022-48642
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