Description
A false-positive memory sanitizer (KMSAN) warning was found in the Linux kernel's s390 floating-point unit (FPU) code. The vstl inline assembly instruction writes a variable number of bytes depending on runtime values, but the compiler-generated KMSAN instrumentation incorrectly tracked only 1 byte of the write. This caused spurious "uninitialized value" warnings during normal network operations like ping, though no actual memory safety issue exists.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 debian 13 | | =6.12.38-1 || =6.12.41-1 || =6.12.43-1 || =6.12.43-1~bpo12+1 || =6.12.48-1 || =6.12.57-1 || =6.12.57-1~bpo12+1 || =6.12.63-1 || =6.12.63-1~bpo12+1 || =6.12.69-1 || =6.12.69-1~bpo12+1 || =6.12.73-1 || =6.12.73-1~bpo12+1 || =6.12.74-1 || =6.12.74-2 || =6.12.74-2~bpo12+1 || =6.13.10-1~exp1 || =6.13.11-1~exp1 || =6.13.2-1~exp1 || =6.13.3-1~exp1 || =6.13.4-1~exp1 || =6.13.5-1~exp1 || =6.13.6-1~exp1 || =6.13.7-1~exp1 || =6.13.8-1~exp1 || =6.13.9-1~exp1 || =6.13~rc6-1~exp1 || =6.13~rc7-1~exp1 || =6.14.3-1~exp1 || =6.14.5-1~exp1 || =6.14.6-1~exp1 || =6.15-1~exp1 || =6.15.1-1~exp1 || =6.15.2-1~exp1 || =6.15.3-1~exp1 || =6.15.4-1~exp1 || =6.15.5-1~exp1 || =6.15.6-1~exp1 || =6.15~rc7-1~exp1 || =6.16-1~exp1 || =6.16.1-1~exp1 || =6.16.10-1 || =6.16.11-1 || =6.16.12-1 || =6.16.12-1~bpo13+1 || =6.16.12-2 || =6.16.3-1 || =6.16.3-1~bpo13+1 || =6.16.5-1 || =6.16.6-1 || =6.16.7-1 || =6.16.8-1 || =6.16.9-1 || =6.16~rc7-1~exp1 || =6.17.10-1 || =6.17.11-1 || =6.17.12-1 || =6.17.13-1 || =6.17.13-1~bpo13+1 || =6.17.2-1~exp1 || =6.17.5-1~exp1 || =6.17.6-1 || =6.17.7-1 || =6.17.7-2 || =6.17.8-1 || =6.17.8-1~bpo13+1 || =6.17.9-1 || =6.18.1-1~exp1 || =6.18.10-1 || =6.18.12-1 || =6.18.12-1~bpo13+1 || =6.18.13-1 || =6.18.14-1 || =6.18.15-1 || =6.18.15-1~bpo13+1 || =6.18.2-1~exp1 || =6.18.3-1 || =6.18.5-1 || =6.18.5-1~bpo13+1 || =6.18.8-1 || =6.18.9-1 || =6.18.9-1~bpo13+1 || =6.18~rc4-1~exp1 || =6.18~rc4-1~exp2 || =6.18~rc5-1~exp1 || =6.18~rc6-1~exp1 || =6.18~rc7-1~exp1 || =6.19-1~exp1 || =6.19.10-1 || =6.19.10-1~bpo13+1 || =6.19.11-1 || =6.19.11-1~bpo13+1 || =6.19.12-1 || =6.19.13-1 || =6.19.14-1 || =6.19.2-1~exp1 || =6.19.3-1~exp1 || =6.19.4-1~exp1 || =6.19.5-1~exp1 || =6.19.6-1 || =6.19.6-2 || =6.19.6-2~bpo13+1 || =6.19.8-1 || =6.19.8-1~bpo13+1 || =6.19~rc4-1~exp1 || =6.19~rc5-1~exp1 || =6.19~rc6-1~exp1 || =6.19~rc7-1~exp1 || =6.19~rc8-1~exp1 || =7.0-1~exp1 || =7.0.1-1~exp1 | - |
debian 14 | | =6.12.38-1 || =6.12.41-1 || =6.12.43-1 || =6.12.43-1~bpo12+1 || =6.12.48-1 || =6.12.57-1 || =6.12.57-1~bpo12+1 || =6.12.63-1 || =6.12.63-1~bpo12+1 || =6.12.69-1 || =6.12.69-1~bpo12+1 || =6.12.73-1 || =6.12.73-1~bpo12+1 || =6.12.74-1 || =6.12.74-2 || =6.12.74-2~bpo12+1 || =6.13.10-1~exp1 || =6.13.11-1~exp1 || =6.13.2-1~exp1 || =6.13.3-1~exp1 || =6.13.4-1~exp1 || =6.13.5-1~exp1 || =6.13.6-1~exp1 || =6.13.7-1~exp1 || =6.13.8-1~exp1 || =6.13.9-1~exp1 || =6.13~rc6-1~exp1 || =6.13~rc7-1~exp1 || =6.14.3-1~exp1 || =6.14.5-1~exp1 || =6.14.6-1~exp1 || =6.15-1~exp1 || =6.15.1-1~exp1 || =6.15.2-1~exp1 || =6.15.3-1~exp1 || =6.15.4-1~exp1 || =6.15.5-1~exp1 || =6.15.6-1~exp1 || =6.15~rc7-1~exp1 || =6.16-1~exp1 || =6.16.1-1~exp1 || =6.16.10-1 || =6.16.11-1 || =6.16.12-1 || =6.16.12-1~bpo13+1 || =6.16.12-2 || =6.16.3-1 || =6.16.3-1~bpo13+1 || =6.16.5-1 || =6.16.6-1 || =6.16.7-1 || =6.16.8-1 || =6.16.9-1 || =6.16~rc7-1~exp1 || =6.17.10-1 || =6.17.11-1 || =6.17.12-1 || =6.17.13-1~bpo13+1 || =6.17.2-1~exp1 || =6.17.5-1~exp1 || =6.17.6-1 || =6.17.7-1 || =6.17.7-2 || =6.17.8-1 || =6.17.8-1~bpo13+1 || =6.17.9-1 || >=0 <6.17.13-1 | 6.17.13-1 |
 rpm rhel10 | | - | - |
rpm rhel9 | | - | - |
rpm rhel9 | | - | - |
