CVE-2023-45871: debian debian_linux Incorrect Calculation of Buffer Size

Modified

AliasesUBUNTU-CVE-2023-45871DEBIAN-CVE-2023-45871

Published 15-10-2023Last modified 15-10-2026

Vulnerability summary

CVE-2023-45871 is a high (CVSS 7.5) Incorrect Calculation of Buffer Size vulnerability in debian debian_linux. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50.4% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 7.5, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

7.5/10

010

High · v3.1 (NVD)

EPSS score

0.64%

0%100%

Low · +0.09 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

15-10-2023
PublishedVulnerability first disclosed.
15-10-2026
Last modifiedVulnerability information updated.

Description

An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3. A buffer size may not be adequate for frames larger than the MTU.

CVSS metrics

3 scores · 3 sources · 1 version

v3.17.5

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

Increase +0.09 pp

From 0.54% 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-131Incorrect Calculation of Buffer SizeThe product does not correctly calculate the size to be used when allocating a buffer.

Affected systems

Version check

Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu107 products

linuxAll versions (No fix recorded) | < 4.15.0-220.231 | < 5.4.0-167.184 | < 5.15.0-89.99
linux-allwinner-5.19All versions (No fix recorded)
linux-awsAll versions (No fix recorded) | < 4.15.0-1163.176 | < 5.4.0-1114.124 | < 5.15.0-1050.55
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< 5.15.0-1050.55~20.04.1
linux-aws-5.19All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1114.124~18.04.1
linux-aws-5.8All versions (No fix recorded)
linux-aws-6.2< 6.2.0-1016.16~22.04.1
linux-aws-fips< 4.15.0-2102.108 | All versions (No fix recorded) | < 5.4.0-1114.124+fips1
linux-aws-hwe< 4.15.0-1163.176~16.04.1
linux-azure< 4.15.0-1172.187~14.04.1 | < 4.15.0-1172.187~16.04.1 | All versions (No fix recorded) | < 5.4.0-1120.127 | < 5.15.0-1052.60
linux-azure-4.15< 4.15.0-1172.187
linux-azure-5.11All versions (No fix recorded)
linux-azure-5.13All versions (No fix recorded)
linux-azure-5.15< 5.15.0-1052.60~20.04.1
linux-azure-5.19All versions (No fix recorded)
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1120.127~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-6.2< 6.2.0-1017.17~22.04.1
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fdeAll versions (No fix recorded) | < 5.15.0-1052.60.1
linux-azure-fde-5.19All versions (No fix recorded)
linux-azure-fde-6.2< 6.2.0-1017.17~22.04.1.1
linux-azure-fips< 4.15.0-2081.87 | All versions (No fix recorded) | < 5.4.0-1121.128+fips1
linux-bluefield< 5.4.0-1075.81 | < 5.15.0-1032.34
linux-fipsAll versions (No fix recorded) | < 4.15.0-1118.129 | < 5.4.0-1089.98
linux-gcp< 4.15.0-1157.174~16.04.1 | All versions (No fix recorded) | < 5.4.0-1118.127 | < 5.15.0-1047.55
linux-gcp-4.15< 4.15.0-1157.174
linux-gcp-5.11All versions (No fix recorded)
linux-gcp-5.13All versions (No fix recorded)
linux-gcp-5.15< 5.15.0-1047.55~20.04.1
linux-gcp-5.19All versions (No fix recorded)
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1118.127~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-6.2< 6.2.0-1019.21~22.04.1
linux-gcp-fips< 4.15.0-2065.70 | All versions (No fix recorded) | < 5.4.0-1118.127+fips1
linux-gkeAll versions (No fix recorded) | < 5.15.0-1047.52
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< 5.4.0-1081.85 | < 5.15.0-1033.39
linux-gkeop-5.15< 5.15.0-1033.39~20.04.1
linux-gkeop-5.4All versions (No fix recorded)
linux-hwe< 4.15.0-220.231~16.04.1 | All versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13All versions (No fix recorded)
linux-hwe-5.15< 5.15.0-89.99~20.04.1
linux-hwe-5.19All versions (No fix recorded)
linux-hwe-5.4< 5.4.0-167.184~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-6.2< 6.2.0-37.38~22.04.1
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1061.66 | < 5.15.0-1043.46
linux-ibm-5.15< 5.15.0-1043.46~20.04.1
linux-ibm-5.4< 5.4.0-1061.66~18.04.1
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtime< 5.15.0-1043.45
linux-intel-iotg< 5.15.0-1045.51
linux-intel-iotg-5.15< 5.15.0-1045.51~20.04.1
linux-iot< 5.4.0-1026.27
linux-kvmAll versions (No fix recorded) | < 4.15.0-1147.152 | < 5.4.0-1103.110 | < 5.15.0-1047.52
linux-lowlatency< 5.15.0-89.99
linux-lowlatency-hwe-5.15< 5.15.0-89.99~20.04.1
linux-lowlatency-hwe-5.19All versions (No fix recorded)
linux-lowlatency-hwe-6.2< 6.2.0-1017.17~22.04.1
linux-lts-xenialAll versions (No fix recorded)
linux-nvidia< 5.15.0-1041.41
linux-nvidia-6.2< 6.2.0-1012.12
linux-nvidia-tegra< 5.15.0-1020.20
linux-nvidia-tegra-5.15< 5.15.0-1020.20~20.04.1
linux-nvidia-tegra-igx< 5.15.0-1007.7
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< 6.1.0-1023.23
linux-oem-6.5All versions (No fix recorded)
linux-oracle< 4.15.0-1126.137~16.04.1 | < 4.15.0-1126.137 | < 5.4.0-1113.122 | < 5.15.0-1048.54
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< 5.15.0-1048.54~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1113.122~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-raspi< 5.4.0-1098.110 | < 5.15.0-1043.46
linux-raspi-5.4< 5.4.0-1098.110~18.04.2
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded) | < 5.15.0-1051.57
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.15< 5.15.0-1046.50~20.04.1
linux-riscv-5.19All versions (No fix recorded)
linux-riscv-5.8All versions (No fix recorded)
linux-starfive-5.19All versions (No fix recorded)
linux-starfive-6.2< 6.2.0-1009.10~22.04.1
linux-xilinx-zynqmp< 5.4.0-1034.38 | < 5.15.0-1027.31

Show all 107

Debian2 products

linux< 6.1.55-1 | < 6.5.3-1
debian_linuxEOL10.0

Linux1 product

linux_kernel≥ 3.4, < 4.14.326 | ≥ 4.15, < 4.19.295 | ≥ 4.20, < 5.4.257 | ≥ 5.5, < 5.10.195 | ≥ 5.11, < 5.15.132 | ≥ 5.16, < 6.1.53 | ≥ 6.2, < 6.4.16 | ≥ 6.5, < 6.5.3

3 vendors · 110 products