CVE-2022-49307
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
tty: synclink_gt: Fix null-pointer-dereference in slgt_clean()
In the Linux kernel, the following vulnerability has been resolved: tty: synclink_gt: Fix null-pointer-dereference in slgt_clean() When the driver fails at alloc_hdlcdev(), and then we remove the driver module, we will get the following splat: [ 25.065966] general protection fault, probably for non-canonical address 0xdffffc0000000182: 0000 [#1] PREEMPT SMP KASAN PTI [ 25.066914] KASAN: null-ptr-deref in range [0x0000000000000c10-0x0000000000000c17] [ 25.069262] RIP: 0010:detach_hdlc_protocol+0x2a/0x3e0 [ 25.077709] Call Trace: [ 25.077924] <TASK> [ 25.078108] unregister_hdlc_device+0x16/0x30 [ 25.078481] slgt_cleanup+0x157/0x9f0 [synclink_gt] Fix this by checking whether the 'info->netdev' is a null pointer first.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | 50c341f9a2adc4c32a8ad5a39eb99d9c4a419e0d | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | 078212ad15dbd88840c82c97f12c93d83703c8fd | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | ba08cbc5b53e151d0acf1930fb526fc65b7f3e65 | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | f6e07eb7ebec53ffe81fc2489589320fbe4a6b75 | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | d68d5e68b7f64de7170f8e04dd9b995c36b2c71c | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | 8a95696bdc0e13f8980f05b54a3b9081963d1256 | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | ddd67751ab86c6a65f95c35293c42f85a42ac05d | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | 1ceb4ca9543a8a788febf6bc8dad2e605e172d5e | Unavailable | None listed |
| 705b6c7b34f2621f95f606d0e683daa10cdb8eb9 | affected | git | 689ca31c542687709ba21ec2195c1fbce34fd029 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.6.16 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.16 | Unavailable | None listed |
| 4.9.318 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.283 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.247 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.198 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.122 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.47 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.17.15 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18.4 | unaffected | semver | Unavailable | 5.18.* | None listed |
| 5.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |