CVE-2024-0565: Kernel: cifs filesystem decryption improper input validation remote code execution vulnerability in function receive_encrypted_standard of client

Modified

AliasesUBUNTU-CVE-2024-0565DEBIAN-CVE-2024-0565

Published 15-01-2024Last modified 10-08-2026

Vulnerability summary

CVE-2024-0565 is a high (CVSS 7.4) Integer Underflow (Wrap or Wraparound) vulnerability in linux kernel. EPSS estimates a 2.00% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 6.8, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

7.4/10

010

High · v3.1 (NVD)

EPSS score

2.00%

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

Timeline

15-01-2024
PublishedVulnerability first disclosed.
10-08-2026
Last modifiedVulnerability information updated.

Description

An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.

CVSS metrics

5 scores · 4 sources · 2 versions

v4.08.7v3.17.4

EPSS trend

Probability

2.00%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.00% 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

CWE-191Integer Underflow (Wrap or Wraparound)The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

Affected systems

Version check

Known conditions: adjacent network, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu112 products

linux< 5.4.0-172.190 | < 5.15.0-97.107
linux-allwinner-5.19All versions (No fix recorded)
linux-aws< 5.4.0-1119.129 | < 5.15.0-1055.60
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11All versions (No fix recorded)

linux-aws-5.13All versions (No fix recorded)
linux-aws-5.15< 5.15.0-1055.60~20.04.1
linux-aws-5.19All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1119.129~18.04.1
linux-aws-5.8All versions (No fix recorded)
linux-aws-6.2All versions (No fix recorded)
linux-aws-6.5All versions (No fix recorded)
linux-aws-fips< 5.4.0-1119.129+fips1 | All versions (No fix recorded) | < 5.15.0-1055.60+fips1
linux-azureAll versions (No fix recorded) | < 5.4.0-1124.131 | < 5.15.0-1057.65
linux-azure-5.11All versions (No fix recorded)
linux-azure-5.13All versions (No fix recorded)
linux-azure-5.15< 5.15.0-1057.65~20.04.1
linux-azure-5.19All versions (No fix recorded)
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1124.131~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-6.2All versions (No fix recorded)
linux-azure-6.5All versions (No fix recorded)
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fdeAll versions (No fix recorded) | < 5.15.0-1057.65.1
linux-azure-fde-5.19All versions (No fix recorded)
linux-azure-fde-6.2All versions (No fix recorded)
linux-azure-fips< 5.4.0-1124.131+fips1 | All versions (No fix recorded)
linux-bluefield< 5.4.0-1079.85 | < 5.15.0-1036.38
linux-fipsAll versions (No fix recorded) | < 5.15.0-97.107+fips1
linux-gcpAll versions (No fix recorded) | < 5.4.0-1123.132 | < 5.15.0-1052.60
linux-gcp-5.11All versions (No fix recorded)
linux-gcp-5.13All versions (No fix recorded)
linux-gcp-5.15< 5.15.0-1052.60~20.04.1
linux-gcp-5.19All versions (No fix recorded)
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1123.132~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-6.2All versions (No fix recorded)
linux-gcp-6.5All versions (No fix recorded)
linux-gcp-fipsAll versions (No fix recorded) | < 5.15.0-1055.63+fips2
linux-gkeAll versions (No fix recorded) | < 5.15.0-1051.56
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.15All versions (No fix recorded)
linux-gke-5.4All versions (No fix recorded)
linux-gkeop< 5.4.0-1086.90 | < 5.15.0-1037.43
linux-gkeop-5.15< 5.15.0-1037.43~20.04.1
linux-gkeop-5.4All versions (No fix recorded)
linux-hweAll versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13All versions (No fix recorded)
linux-hwe-5.15< 5.15.0-97.107~20.04.1
linux-hwe-5.19All versions (No fix recorded)
linux-hwe-5.4< 5.4.0-172.190~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-6.2All versions (No fix recorded)
linux-hwe-6.5< 6.5.0-21.21~22.04.1
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1066.71 | < 5.15.0-1047.50
linux-ibm-5.15< 5.15.0-1047.50~20.04.1
linux-ibm-5.4< 5.4.0-1066.71~18.04.1
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtime< 5.15.0-1047.49
linux-intel-iotg< 5.15.0-1049.55
linux-intel-iotg-5.15< 5.15.0-1049.55~20.04.1
linux-iot< 5.4.0-1031.32
linux-kvm< 5.4.0-1107.114 | < 5.15.0-1051.56
linux-lowlatency< 5.15.0-97.107
linux-lowlatency-hwe-5.15< 5.15.0-97.107~20.04.1
linux-lowlatency-hwe-5.19All versions (No fix recorded)
linux-lowlatency-hwe-6.2All versions (No fix recorded)
linux-lowlatency-hwe-6.5< 6.5.0-21.21.1~22.04.1
linux-nvidia< 5.15.0-1045.45
linux-nvidia-6.2All versions (No fix recorded)
linux-nvidia-6.5< 6.5.0-1014.14
linux-nvidia-tegra< 5.15.0-1022.22
linux-nvidia-tegra-5.15< 5.15.0-1022.22~20.04.1
linux-nvidia-tegra-igx< 5.15.0-1009.9
linux-oemAll versions (No fix recorded)
linux-oem-5.10All versions (No fix recorded)
linux-oem-5.13All versions (No fix recorded)
linux-oem-5.14All versions (No fix recorded)
linux-oem-5.17All versions (No fix recorded)
linux-oem-5.6All versions (No fix recorded)
linux-oem-6.0All versions (No fix recorded)
linux-oem-6.1< 6.1.0-1033.33
linux-oem-6.5< 6.5.0-1015.16
linux-oracle< 5.4.0-1118.127 | < 5.15.0-1052.58
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11All versions (No fix recorded)
linux-oracle-5.13All versions (No fix recorded)
linux-oracle-5.15< 5.15.0-1052.58~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1118.127~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-oracle-6.5All versions (No fix recorded)
linux-raspi< 5.4.0-1103.115 | < 5.15.0-1047.50 | < 6.7.0-1001.1
linux-raspi-5.4< 5.4.0-1103.115~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded) | < 5.15.0-1055.62
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.15< 5.15.0-1050.54~20.04.1
linux-riscv-5.19All versions (No fix recorded)
linux-riscv-5.8All versions (No fix recorded)
linux-riscv-6.5< 6.5.0-21.21.1~22.04.1
linux-starfive-5.19All versions (No fix recorded)
linux-starfive-6.2All versions (No fix recorded)
linux-starfive-6.5< 6.5.0-1008.9~22.04.1
linux-xilinx-zynqmp< 5.4.0-1038.42 | < 5.15.0-1030.34

Show all 112

Linux2 products

kernel≥ 4.19, < 5.10.211 | ≥ 5.11, < 5.15.150 | ≥ 5.16, < 6.1.69 | ≥ 6.2, < 6.6.8
linux_kernel≥ 6.1.36, < 6.7 | 6.7:rc1 | 6.7:rc2 | 6.7:rc3 | 6.7:rc4 | 6.7:rc5

Debian1 product