5.5

CVE-2026-45986: crypto: ccree - fix a memory leak in cc_mac_digest()

Analyzed
AliasesUBUNTU-CVE-2026-45986DEBIAN-CVE-2026-45986
Published 27-05-2026Last modified 14-06-2026

Vulnerability summary

CVE-2026-45986 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · -0.04 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 46 · Related 46
OPENSUSE-SU-2026:10954-1OPENSUSE-SU-2026:21555-1SUSE-SU-2026:23066-1SUSE-SU-2026:23068-1SUSE-SU-2026:23193-1SUSE-SU-2026:23194-1

Timeline

  1. 27-05-2026
    PublishedVulnerability first disclosed.
  2. 14-06-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: ccree - fix a memory leak in cc_mac_digest() Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Decrease -0.04 pp

From 0.16% 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.

Ubuntu155 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136 | < 7.0.0-27.27
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64 | < 7.0.0-1008.8
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 7c21d58fcd6ad8e15a539347254093c93224a8b2 | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < f53458c7c756b3e0838d51cf1e9f41b25079801a | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 7cd17993adb8a5d14a7e84d751316a5fdf0c251f | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 3061c9bfb3f5b3522ab174e2fa7473b24422d1c6 | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 22f1dd4ca3bfe77db52cc7df3cc353dc114aab8b | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 910f335786a0a0f0b46c3c8c19a13d25cb4454b6 | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 502440c235fe34cee02b24d7f893841f7565b3bc | ≥ 63893811b0fcb52f6eaf9811cc08bddd46f81c3e, < 02c64052fad03699b9c6d1df2f9b444d17e4ac50 | 4.17
  • linux_kernel≥ 4.17, < 5.10.258 | ≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.140 | ≥ 6.7, < 6.12.86 | ≥ 6.13, < 6.18.27 | ≥ 6.19, < 7.0.4
Debian1 product
  • linux< 6.1.176-1 | < 6.12.86-1 | < 7.0.4-1

3 vendors · 158 products

References

46 links
Show all 46 references