Answer in brief
CVE-2022-49058 records a Critical severity (CVSS 9.1) vulnerability in cifs: potential buffer overflow in handling symlinks. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2022-49058 records a Critical severity (CVSS 9.1) vulnerability in cifs: potential buffer overflow in handling symlinks. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <3e582749e742e662a8e9bb37cffac62dccaaa1e2 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <1316c28569a80ab3596eeab05bf5e01991e7e739 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <eb5f51756944735ac70cd8bb38637cc202e29c91 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <22d658c6c5affed10c8907e67160cef0b6c92186 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <4e166a41180be2f1e66bbb6d46448e80a9a5ec05 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <9901b07ba42b39266b34a888e48d7306fd707bee || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <515e7ba11ef043d6febe69389949c8ef5f25e9d0 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304 | 3e582749e742e662a8e9bb37cffac62dccaaa1e2, 1316c28569a80ab3596eeab05bf5e01991e7e739, eb5f51756944735ac70cd8bb38637cc202e29c91, 22d658c6c5affed10c8907e67160cef0b6c92186, 4e166a41180be2f1e66bbb6d46448e80a9a5ec05, 9901b07ba42b39266b34a888e48d7306fd707bee, 515e7ba11ef043d6febe69389949c8ef5f25e9d0, 64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304 |
| Linux/Linuxgeneric | 2.6.37 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' too small (16 vs u32max) It's caused because Smatch marks 'link_len' as untrusted since it comes from sscanf(). Add a check to ensure that 'link_len' is not larger than the size of the 'link_str' buffer.
Quoted source text, attributed separately from HOL analysis.
CVSS is 9.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <3e582749e742e662a8e9bb37cffac62dccaaa1e2 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <1316c28569a80ab3596eeab05bf5e01991e7e739 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <eb5f51756944735ac70cd8bb38637cc202e29c91 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <22d658c6c5affed10c8907e67160cef0b6c92186 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <4e166a41180be2f1e66bbb6d46448e80a9a5ec05 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <9901b07ba42b39266b34a888e48d7306fd707bee || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <515e7ba11ef043d6febe69389949c8ef5f25e9d0 || >=c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131 <64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304 | 3e582749e742e662a8e9bb37cffac62dccaaa1e2, 1316c28569a80ab3596eeab05bf5e01991e7e739, eb5f51756944735ac70cd8bb38637cc202e29c91, 22d658c6c5affed10c8907e67160cef0b6c92186, 4e166a41180be2f1e66bbb6d46448e80a9a5ec05, 9901b07ba42b39266b34a888e48d7306fd707bee, 515e7ba11ef043d6febe69389949c8ef5f25e9d0, 64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304 |
| Linux/Linuxgeneric | 2.6.37 | Not reported |
Published upstream
Feb 26, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' too small (16 vs u32max) It's caused because Smatch marks 'link_len' as untrusted since it comes from sscanf(). Add a check to ensure that 'link_len' is not larger than the size of the 'link_str' buffer.
Quoted source text, attributed separately from HOL analysis.