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Vulnerability · Published May 21, 2024 · Assigned by Linux

CVE-2021-47308scsi: libfc: Fix array index out of bound exception

High 8.8

In plain English

A high-severity out-of-bounds read in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.2%top 32.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix array index out of bound exception Fix array index out of bound exception in fc_rport_prli_resp().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.14.6-1DEBIAN-CVE-2021-47308
Debian:13linux5.14.6-1DEBIAN-CVE-2021-47308
Debian:14linux5.14.6-1DEBIAN-CVE-2021-47308
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2021-47308
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2021-47308
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2021-47308

Affected products (as reported)

VendorProductVersions
Linux Linux 386b97b43c0c9e0d878eec7ea1db16af22b036ae – before 44651522941c623e20882b3b443f23f77de1ea8b386b97b43c0c9e0d878eec7ea1db16af22b036ae – before 4921b1618045ffab71b1050bf0014df3313a2289386b97b43c0c9e0d878eec7ea1db16af22b036ae – before 0fe70c15f9435bb3c50954778245d62ee38b0e03386b97b43c0c9e0d878eec7ea1db16af22b036ae – before a4a54c54af2516caa9c145015844543cfc84316a386b97b43c0c9e0d878eec7ea1db16af22b036ae – before 8511293e643a18b248510ae5734e4f360754348c386b97b43c0c9e0d878eec7ea1db16af22b036ae – before b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe
Linux Linux 4.10

Weakness: CWE-125 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References