CVE-2018-7757 · cross-distro fix matrix

CVE-2018-7757: Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (memory consumption) via many read accesses to files in the /sys/class/sas_phy directory, as demonstrated by the /sys/class/sas_

Affects 8 Linux releases across 12 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-7757 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

linux→ fixed in4.15.17-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```

Debian bookworm

Source: Debian Security Tracker

linux→ fixed in4.15.17-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```

Debian trixie

Source: Debian Security Tracker

linux→ fixed in4.15.17-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```

Alpine v3.20

Source: Alpine secdb

ffmpeg→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg
```
ffmpeg4→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg4
```

Alpine v3.21

Source: Alpine secdb

ffmpeg→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg
```
ffmpeg4→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg4
```

Alpine edge

Source: Alpine secdb

ffmpeg→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg
```

Alpine v3.18

Source: Alpine secdb

ffmpeg→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg
```
ffmpeg4→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg4
```

Alpine v3.19

Source: Alpine secdb

ffmpeg→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg
```
ffmpeg4→ fixed in4.0.0-r0
```
apk update && apk add --upgrade ffmpeg4
```

Are YOU affected by CVE-2018-7757?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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