CVE-2023-52525: wifi: mwifiex: Fix oob check condition in mwifiex_process_rx_packet
Vulnerability summary
CVE-2023-52525 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.9% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 02-03-2024PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix oob check condition in mwifiex_process_rx_packet Only skip the code path trying to access the rfc1042 headers when the buffer is too small, so the driver can still process packets without rfc1042 headers.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu94 products
- linux< 5.4.0-171.189
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1118.128
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ f517c97fc129995de77dd06aa5a74f909ebf568f, < 71b1d2b57f145c8469aa9346f0fd57bf59b2b89c | ≥ 8824aa4ab62c800f75d96f48e1883a5f56ec5869, < 16cc18b9080892d1a0200a38e36ae52e464bc555 | ≥ 29eca8b7863d1d7de6c5b746b374e3487d14f154, < b8e260654a29de872e7cb85387d8ab8974694e8e | ≥ 3fe3923d092e22d87d1ed03e2729db444b8c1331, < 10a18c8bac7f60d32b7af22da03b66f350beee38 | ≥ 7c54b6fc39eb1aac51cf2945f8a25e2a47fdca02, < 5afb996349cb6d1f14d6ba9aaa7aed3bd82534f6 | ≥ 3975e21d4d01efaf0296ded40d11c06589c49245, < 6b706286473db4fd54b5f869faa67f4a8cb18e99 | ≥ 650d1bc02fba7b42f476d8b6643324abac5921ed, < be2ff39b1504c5359f4a083c1cfcad21d666e216 | ≥ 11958528161731c58e105b501ed60b83a91ea941, < aef7a0300047e7b4707ea0411dc9597cba108fc8 | a7300e3800e9fd5405e88ce67709c1a97783b9c8 | ≥ 6.4.16, < 6.5 | ≥ 4.14.326, < 4.14.327 | ≥ 4.19.295, < 4.19.296 | ≥ 5.4.257, < 5.4.258 | ≥ 5.10.195, < 5.10.198 | ≥ 5.15.132, < 5.15.135 | ≥ 6.1.53, < 6.1.57 | ≥ 6.5.3, < 6.5.7
- linux_kernelEOL≥ 5.10.195, < 5.10.198 | ≥ 5.15.132, < 5.15.135 | ≥ 6.1.53, < 6.1.57 | ≥ 6.5.3, < 6.5.7 | 4.14.326 | 4.19.295 | 5.4.257
Debian1 product
- linux< 6.1.64-1 | < 6.5.8-1
3 vendors · 97 products