These are rules and recommendations for functions that are defined as part of the POSIX family of standards but are not included in ISO/IEC 9899-1999.
Recommendations
POS00-A. Avoid race conditions with multiple threads
POS01-A. Check for the existence of links
POS02-A. Be careful using errno with multiple threads
Rules
POS30-C. Use the readlink() function properly
POS31-C. Do not unlock or destroy another thread's mutex
POS32-C. Include a mutex when using bit-fields in a multi-threaded environment
POS34-C. Do not call putenv() with a pointer to an automatic variable as the argument
Risk Assessment
Recommendation |
Severity |
Likelihood |
Remediation Cost |
Priority |
Level |
|---|---|---|---|---|---|
POS00-A |
2 (medium) |
2 (probable) |
1 (high) |
P4 |
L3 |
POS01-A |
2 (medium) |
3 (likely) |
1 (high) |
P6 |
L2 |
POS02-A |
1 (low) |
1 (unlikely) |
1 (high) |
P1 |
L3 |
Rule |
Severity |
Likelihood |
Remediation Cost |
Priority |
Level |
|---|---|---|---|---|---|
POS30-C |
1 (low) |
2 (probable) |
2 (medium) |
P4 |
L3 |
POS31-C |
2 (medium) |
2 (probable) |
1 (high) |
P4 |
L3 |
POS32-C |
2 (medium) |
2 (probable) |
2 (medium) |
P8 |
L2 |
POS33-C |
1 (low) |
2 (probable) |
3 (low) |
P6 |
L2 |
POS34-C |
3 (high) |
1 (unlikely) |
2 (medium) |
P6 |
L2 |
MSC31-C. Ensure that return values are compared against the proper type 14. Miscellaneous (MSC)