CVE-2022-50403

linux: In the Linux kernel, the following vulnerability has been resolved: ext4: fix undefined behavior in bit shift for ex...

CVE-2022-50403 is fixed in 47 products on 1 platform, first by RHSA-2023:2458, released May 9, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.0
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
n/a

In the Linux kernel, the following vulnerability has been resolved: ext4: fix undefined behavior in bit shift for ext4_check_flag_values Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in fs/ext4/ext4.h:591:2 left shift of 1 by 31 places cannot be represented in type 'int' Call Trace: <TASK> dump_stack_lvl+0x7d/0xa5 dump_stack+0x15/0x1b ubsan_epilogue+0xe/0x4e __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c ext4_init_fs+0x5a/0x277 do_one_initcall+0x76/0x430 kernel_init_freeable+0x3b3/0x422 kernel_init+0x24/0x1e0 ret_from_fork+0x1f/0x30 </TASK>

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
bpftool · RHEL 9 0:7.0.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel · rocky 8 0:4.18.0-553.123.1.el8_10.cloud.0.1 RXSA-2024:3138 May 29, 2026
kernel-64k · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-abi-stablelists · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-abi-stablelists · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-core · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-debug · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-core · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-debug-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-devel · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-debug-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-debug-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules-extra · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-debug-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-uki-virt · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-devel · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-doc · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-doc · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-modules · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-modules-extra · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-tools · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-tools · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-tools-libs · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-tools-libs · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-tools-libs-devel · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-tools-libs-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-uki-virt · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-zfcpdump · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-core · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-zfcpdump-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-devel · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-zfcpdump-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-zfcpdump-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules-extra · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
kernel-zfcpdump-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
linux · Debian 11.6 (bullseye) 5.10.178-1 CVE-2022-50403 Sep 18, 2025
linux · Debian 12.15 (bookworm) 6.1.4-1 CVE-2022-50403 Sep 18, 2025
linux · Debian 13.5 (trixie) 6.1.4-1 CVE-2022-50403 Sep 18, 2025
linux · Debian 14 6.1.4-1 CVE-2022-50403 Sep 18, 2025
perf · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
perf · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
python3-perf · RHEL 8 0:4.18.0-553.el8_10 RHSA-2024:3138 May 22, 2024
python3-perf · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
rtla · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023

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