CVE-2023-53189
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
ipv6/addrconf: fix a potential refcount underflow for idev
In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fix a potential refcount underflow for idev Now in addrconf_mod_rs_timer(), reference idev depends on whether rs_timer is not pending. Then modify rs_timer timeout. There is a time gap in [1], during which if the pending rs_timer becomes not pending. It will miss to hold idev, but the rs_timer is activated. Thus rs_timer callback function addrconf_rs_timer() will be executed and put idev later without holding idev. A refcount underflow issue for idev can be caused by this. if (!timer_pending(&idev->rs_timer)) in6_dev_hold(idev); <--------------[1] mod_timer(&idev->rs_timer, jiffies + when); To fix the issue, hold idev if mod_timer() return 0.
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) |
|---|---|---|---|---|---|
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | c6395e32935d35e6f935e7caf1c2dac5a95943b4 | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | df62fdcd004afa72ecbed0e862ebb983acd3aa57 | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | c7eeba47058532f6077d6a658e38b6698f6ae71a | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | 2ad31ce40e8182860b631e37209e93e543790b7c | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | 82abd1c37d3bf2a2658b34772c17a25a6f9cca42 | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | 436b7cc7eae7851c184b671ed7a4a64c750b86f7 | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | 1f656e483eb4733d62f18dfb206a49b78f60f495 | Unavailable | None listed |
| b7b1bfce0bb68bd8f6e62a28295922785cc63781 | affected | git | 06a0716949c22e2aefb648526580671197151acc | Unavailable | None listed |
| 973d5956f754cfc306f5e274d71503498f4b0324 | affected | git | Unavailable | Unavailable | None listed |
| 3.10.105 | affected | semver | 3.11 | 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) |
|---|---|---|---|---|---|
| 3.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.11 | Unavailable | None listed |
| 4.14.322 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.291 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.251 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.188 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.121 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.40 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.4.5 | unaffected | semver | Unavailable | 6.4.* | None listed |
| 6.5 | unaffected | original_commit_for_fix | Unavailable | * | None listed |