7.1

CVE-2022-49503: ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix

Analyzed
AliasesUBUNTU-CVE-2022-49503DEBIAN-CVE-2022-49503
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49503 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 7
RHSA-2026:2573RHSA-2026:2577SUSE-SU-2025:01983-1SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix The "rxstatus->rs_keyix" eventually gets passed to test_bit() so we need to ensure that it is within the bitmap. drivers/net/wireless/ath/ath9k/common.c:46 ath9k_cmn_rx_accept() error: passing untrusted data 'rx_stats->rs_keyix' to 'test_bit()'

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu111 products
  • linuxAll versions (No fix recorded) | < 4.15.0-192.203 | < 5.4.0-126.142 | < 5.15.0-47.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1140.151 | < 5.4.0-1085.92 | < 5.15.0-1019.23
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 0bcb528402cd5e1a6e1833e956fd58a12d509e8e | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < a048e0c3caa852397b7b50d4c82a0415c05f7ac3 | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 4bdcf32c965c27f55ccc4ee71c1927131115b0bb | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 2326d398ccd41ba6d93b8346532dfa432ab00fee | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 461e4c1f199076275f16bf6f3d3e42c6b6c79f33 | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 7f6defe0fabc79f29603c6fa3c80e4fe0456a3e9 | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < eda518db7db16c360bc84379d90675650daa3048 | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 3dad3fed5672828c7fb0465cb66a3d9a70952fa6 | ≥ 4ed1a8d4a25711f780b96920fff2bb531229e322, < 2dc509305cf956381532792cb8dceef2b1504765 | 3.15
  • linux_kernel≥ 3.15, < 4.9.318 | ≥ 4.10, < 4.14.283 | ≥ 4.15, < 4.19.247 | ≥ 4.20, < 5.4.198 | ≥ 5.5, < 5.10.121 | ≥ 5.11, < 5.15.46 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Debian1 product
  • linux< 5.18.5-1

3 vendors · 114 products

References

13 links
Show all 13 references