CVE-2022-49277
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)
jffs2: fix memory leak in jffs2_do_mount_fs
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_do_mount_fs If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error, we can observe the following kmemleak report: -------------------------------------------- unreferenced object 0xffff88811b25a640 (size 64): comm "mount", pid 691, jiffies 4294957728 (age 71.952s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffa493be24>] kmem_cache_alloc_trace+0x584/0x880 [<ffffffffa5423a06>] jffs2_sum_init+0x86/0x130 [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0 [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30 [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0 [...] unreferenced object 0xffff88812c760000 (size 65536): comm "mount", pid 691, jiffies 4294957728 (age 71.952s) hex dump (first 32 bytes): bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb ................ backtrace: [<ffffffffa493a449>] __kmalloc+0x6b9/0x910 [<ffffffffa5423a57>] jffs2_sum_init+0xd7/0x130 [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0 [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30 [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0 [...] -------------------------------------------- This is because the resources allocated in jffs2_sum_init() are not released. Call jffs2_sum_exit() to release these resources to solve the problem.
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) |
|---|---|---|---|---|---|
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | 2a9d8184458562e6bf2f40d0e677fc85e2dd3834 | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | 9a0f6610c7daedd2eace430beeb08a8b7ac80699 | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | dbe0d0521eaa6a3d235517319266c539bb5c5112 | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | 0978e9af4559a171ac7a74a1b3ef21804b0a0fa9 | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | 607d3aab7349f18e0d9dba4100d09d16fe27caca | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | 4392e8aeebc5a4f8073620bccba7de1b1f6d7c88 | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | 5f34310d1376ca5b2ed798258def2c2ab3cc6699 | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | c94128470e6fe53d9bd9d16d2d3271813f9d37af | Unavailable | None listed |
| e631ddba588783edd521c5a89f7b2902772fb691 | affected | git | d051cef784de4d54835f6b6836d98a8f6935772c | 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) |
|---|---|---|---|---|---|
| 2.6.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.15 | Unavailable | None listed |
| 4.9.311 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.276 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.238 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.189 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.110 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.33 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16.19 | unaffected | semver | Unavailable | 5.16.* | None listed |
| 5.17.2 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18 | unaffected | original_commit_for_fix | Unavailable | * | None listed |