CVE-2023-52620: netfilter: nf_tables: disallow timeout for anonymous sets
Vulnerability summary
CVE-2023-52620 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.4% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 32 · Related 25Timeline
- 21-03-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: disallow timeout for anonymous sets Never used from userspace, disallow these parameters.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
- NVDNIST2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu106 products
- linux< 4.4.0-257.291 | < 4.15.0-227.239 | < 5.4.0-189.209 | < 5.15.0-112.122
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1134.140 | < 4.4.0-1172.187 | < 4.15.0-1170.183 | < 5.4.0-1128.138 | < 5.15.0-1063.69
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 761da2935d6e18d178582dbdf315a3a458555505, < 116b0e8e4673a5faa8a739a19b467010c4d3058c | ≥ 761da2935d6e18d178582dbdf315a3a458555505, < 49ce99ae43314d887153e07cec8bb6a647a19268 | ≥ 761da2935d6e18d178582dbdf315a3a458555505, < 6f3ae02bbb62f151b19162d5fdc9fe3d48450323 | ≥ 761da2935d6e18d178582dbdf315a3a458555505, < 00b19ee0dcc1aef06294471ab489bae26d94524e | ≥ 761da2935d6e18d178582dbdf315a3a458555505, < b7be6c737a179a76901c872f6b4c1d00552d9a1b | ≥ 761da2935d6e18d178582dbdf315a3a458555505, < e26d3009efda338f19016df4175f354a9bd0a4ab | 4.1
- linux_kernel< 4.19.312 | ≥ 4.20, < 5.4.274 | ≥ 5.5, < 5.10.215 | ≥ 5.11, < 5.15.151 | ≥ 5.16, < 6.1.81 | ≥ 6.2, < 6.4 | 6.4:rc1 | 6.4:rc2 | 6.4:rc3 | 6.4:rc4 | 6.4:rc5 | 6.4:rc6 | 6.4:rc7
Debian1 product
- linux< 6.1.82-1 | < 6.4.4-1
3 vendors · 109 products